diff --git a/src/dealer-claim/components/request-detail/IOTab.tsx b/src/dealer-claim/components/request-detail/IOTab.tsx
index f5b5562..92e734b 100644
--- a/src/dealer-claim/components/request-detail/IOTab.tsx
+++ b/src/dealer-claim/components/request-detail/IOTab.tsx
@@ -5,7 +5,7 @@
  * Located in: src/dealer-claim/components/request-detail/
  */
 
-import { useState, useEffect } from 'react';
+import { useState, useEffect, useMemo } from 'react';
 import { Card, CardContent, CardDescription, CardHeader, CardTitle } from '@/components/ui/card';
 import { Button } from '@/components/ui/button';
 import { Input } from '@/components/ui/input';
@@ -30,7 +30,7 @@ interface IOBlockedDetails {
   blockedDate: string;
   blockedBy: string; // User who blocked
   sapDocumentNumber: string;
-  status: 'blocked' | 'released' | 'failed';
+  status: 'blocked' | 'released' | 'failed' | 'pending';
 }
 
 export function IOTab({ request, apiRequest, onRefresh }: IOTabProps) {
@@ -38,18 +38,39 @@ export function IOTab({ request, apiRequest, onRefresh }: IOTabProps) {
   const requestId = apiRequest?.requestId || request?.requestId;
 
   // Get organizer user object from association (organizer) or fallback to organizedBy UUID
-
-  // Get estimated budget from proposal details or DealerClaimDetails
   const proposalDetails = apiRequest?.proposalDetails || {};
   const claimDetails = apiRequest?.claimDetails || apiRequest || {};
 
-  // Use totalProposedTaxableAmount if available (for Scenario 2), fallback to estimated budget
-  const estimatedBudget = Number(claimDetails?.totalProposedTaxableAmount || proposalDetails?.totalEstimatedBudget || proposalDetails?.total_estimated_budget || 0);
+  // Calculate total base amount (needed for budget verification as requested)
+  // This is the taxable amount excluding GST
+  const totalBaseAmount = useMemo(() => {
+    const costBreakupRaw = proposalDetails?.costBreakup || claimDetails?.costBreakup || [];
+    const costBreakup = Array.isArray(costBreakupRaw)
+      ? costBreakupRaw
+      : (typeof costBreakupRaw === 'string'
+        ? JSON.parse(costBreakupRaw)
+        : []);
+
+    if (!Array.isArray(costBreakup) || costBreakup.length === 0) {
+      return Number(claimDetails?.totalProposedTaxableAmount || proposalDetails?.totalEstimatedBudget || proposalDetails?.total_estimated_budget || 0);
+    }
+
+    return costBreakup.reduce((sum: number, item: any) => {
+      const amount = typeof item === 'object' ? (item.amount || 0) : 0;
+      const quantity = typeof item === 'object' ? (item.quantity || 1) : 1;
+      return sum + (Number(amount) * Number(quantity));
+    }, 0);
+  }, [proposalDetails?.costBreakup, claimDetails?.costBreakup, claimDetails?.totalProposedTaxableAmount, proposalDetails?.totalEstimatedBudget]);
+
+  // Use base amount as the target budget for blocking
+  const estimatedBudget = totalBaseAmount;
 
   // Budget status for signaling (Scenario 2)
-  const budgetTracking = apiRequest?.budgetTracking || apiRequest?.budget_tracking || {};
+  // Use apiRequest as the primary source of truth, fall back to request
+  const budgetTracking = apiRequest?.budgetTracking || request?.budgetTracking || {};
   const budgetStatus = budgetTracking?.budgetStatus || budgetTracking?.budget_status || '';
-  const isAdditionalBlockingNeeded = budgetStatus === 'PROPOSED' && (apiRequest?.internalOrders?.length > 0 || apiRequest?.internal_orders?.length > 0);
+  const internalOrdersList = apiRequest?.internalOrders || apiRequest?.internal_orders || request?.internalOrders || [];
+  const isAdditionalBlockingNeeded = budgetStatus === 'PROPOSED' && internalOrdersList.length > 0;
 
   const [ioNumber, setIoNumber] = useState('');
   const [fetchingAmount, setFetchingAmount] = useState(false);
@@ -60,9 +81,8 @@ export function IOTab({ request, apiRequest, onRefresh }: IOTabProps) {
 
   // Load existing IO blocks
   useEffect(() => {
-    const ios = apiRequest?.internalOrders || apiRequest?.internal_orders || [];
-    if (ios.length > 0) {
-      const formattedIOs = ios.map((io: any) => {
+    if (internalOrdersList.length > 0) {
+      const formattedIOs = internalOrdersList.map((io: any) => {
         const org = io.organizer || null;
         const blockedByName = org?.displayName ||
           org?.display_name ||
@@ -79,7 +99,8 @@ export function IOTab({ request, apiRequest, onRefresh }: IOTabProps) {
           blockedBy: blockedByName,
           sapDocumentNumber: io.sapDocumentNumber || io.sap_document_number || '',
           status: (io.status === 'BLOCKED' ? 'blocked' :
-            io.status === 'RELEASED' ? 'released' : 'blocked') as 'blocked' | 'released' | 'failed',
+            io.status === 'RELEASED' ? 'released' :
+              io.status === 'PENDING' ? 'pending' : 'blocked') as any,
         };
       });
       setBlockedIOs(formattedIOs);
@@ -89,7 +110,7 @@ export function IOTab({ request, apiRequest, onRefresh }: IOTabProps) {
         setIoNumber(formattedIOs[formattedIOs.length - 1].ioNumber);
       }
     }
-  }, [apiRequest, isAdditionalBlockingNeeded]);
+  }, [apiRequest, request, isAdditionalBlockingNeeded, internalOrdersList]);
 
   /**
    * Fetch available budget from SAP
@@ -114,12 +135,22 @@ export function IOTab({ request, apiRequest, onRefresh }: IOTabProps) {
 
       if (ioData.isValid && ioData.availableBalance > 0) {
         setFetchedAmount(ioData.availableBalance);
-        // Pre-fill amount to block with estimated budget (if available), otherwise use available balance
-        if (estimatedBudget > 0) {
-          setAmountToBlock(String(estimatedBudget));
+
+        // Calculate total already blocked amount
+        const totalAlreadyBlocked = blockedIOs.reduce((sum, io) => sum + io.blockedAmount, 0);
+
+        // Calculate remaining budget to block
+        const remainingToBlock = Math.max(0, estimatedBudget - totalAlreadyBlocked);
+
+        // Pre-fill amount to block with remaining budget, otherwise use available balance
+        if (remainingToBlock > 0) {
+          setAmountToBlock(String(remainingToBlock.toFixed(2)));
+        } else if (estimatedBudget > 0 && totalAlreadyBlocked === 0) {
+          setAmountToBlock(String(estimatedBudget.toFixed(2)));
         } else {
-          setAmountToBlock(String(ioData.availableBalance));
+          setAmountToBlock(String(ioData.availableBalance.toFixed(2)));
         }
+
         toast.success(`IO fetched from SAP. Available balance: ₹${ioData.availableBalance.toLocaleString('en-IN', { minimumFractionDigits: 2, maximumFractionDigits: 2 })}`);
       } else {
         toast.error('Invalid IO number or no available balance found');
@@ -417,8 +448,13 @@ export function IOTab({ request, apiRequest, onRefresh }: IOTabProps) {
                 <div key={idx} className="border rounded-lg overflow-hidden">
                   <div className={`p-3 flex justify-between items-center ${idx === 0 ? 'bg-green-50' : 'bg-gray-50'}`}>
                     <span className="font-semibold text-sm">IO: {io.ioNumber}</span>
-                    <Badge className={io.status === 'blocked' ? 'bg-green-100 text-green-800' : 'bg-blue-100 text-blue-800'}>
-                      {io.status === 'blocked' ? 'Blocked' : 'Released'}
+                    <Badge className={
+                      io.status === 'blocked' ? 'bg-green-100 text-green-800' :
+                        io.status === 'pending' ? 'bg-amber-100 text-amber-800' :
+                          'bg-blue-100 text-blue-800'
+                    }>
+                      {io.status === 'blocked' ? 'Blocked' :
+                        io.status === 'pending' ? 'Provisioned' : 'Released'}
                     </Badge>
                   </div>
                   <div className="grid grid-cols-2 divide-x divide-y">
diff --git a/src/dealer-claim/components/request-detail/WorkflowTab.tsx b/src/dealer-claim/components/request-detail/WorkflowTab.tsx
index a1beecb..ad71461 100644
--- a/src/dealer-claim/components/request-detail/WorkflowTab.tsx
+++ b/src/dealer-claim/components/request-detail/WorkflowTab.tsx
@@ -49,7 +49,7 @@ interface WorkflowStep {
   approver: string;
   description: string;
   tatHours: number;
-  status: 'pending' | 'approved' | 'waiting' | 'rejected' | 'in_progress';
+  status: 'pending' | 'approved' | 'waiting' | 'rejected' | 'in_progress' | 'skipped';
   comment?: string;
   approvedAt?: string;
   elapsedHours?: number;
@@ -109,6 +109,8 @@ const getStepIcon = (status: string) => {
   switch (status) {
     case 'approved':
       return <CircleCheckBig className="w-5 h-5 text-green-600" />;
+    case 'skipped':
+      return <CheckCircle className="w-5 h-5 text-green-600" />;
     case 'pending':
       return <Clock className="w-5 h-5 text-blue-600" />;
     case 'rejected':
@@ -125,6 +127,8 @@ const getStepBadgeVariant = (status: string) => {
   switch (status) {
     case 'approved':
       return 'bg-green-100 text-green-800 border-green-200';
+    case 'skipped':
+      return 'bg-green-50 text-green-700 border-green-200';
     case 'pending':
       return 'bg-purple-100 text-purple-800 border-purple-200';
     case 'rejected':
@@ -141,7 +145,7 @@ const getStepCardStyle = (status: string, isActive: boolean) => {
   if (isActive && (status === 'pending' || status === 'in_progress')) {
     return 'border-purple-500 bg-purple-50 shadow-md';
   }
-  if (status === 'approved') {
+  if (status === 'approved' || status === 'skipped') {
     return 'border-green-500 bg-green-50';
   }
   if (status === 'rejected') {
@@ -157,6 +161,8 @@ const getStepIconBg = (status: string) => {
   switch (status) {
     case 'approved':
       return 'bg-green-100';
+    case 'skipped':
+      return 'bg-green-100';
     case 'pending':
       return 'bg-purple-100';
     case 'rejected':
@@ -670,6 +676,8 @@ export function DealerClaimWorkflowTab({
           const approvalStatus = approval.status.toLowerCase();
           if (approvalStatus === 'approved') {
             normalizedStatus = 'approved';
+          } else if (approvalStatus === 'skipped') {
+            normalizedStatus = 'skipped';
           } else if (approvalStatus === 'rejected') {
             normalizedStatus = 'rejected';
           } else {
@@ -1675,7 +1683,7 @@ export function DealerClaimWorkflowTab({
               // - AND it matches the current step 
               // - AND is pending/in_progress
               const isActive = isRequestActive && isPendingOrInProgress && matchesCurrentStep;
-              const isCompleted = step.status === 'approved';
+              const isCompleted = step.status === 'approved' || step.status === 'skipped';
 
               // Find approval data for this step to get SLA information
               // First find the corresponding level in approvalFlow to get levelId
@@ -2527,6 +2535,7 @@ export function DealerClaimWorkflowTab({
         previousProposalData={versionHistory?.find(v => v.snapshotType === 'PROPOSAL')?.snapshotData}
         documentPolicy={documentPolicy}
         taxationType={request?.claimDetails?.taxationType}
+        totalBlockedAmount={(request?.internalOrders || []).reduce((sum: number, io: any) => sum + (Number(io.ioBlockedAmount || io.io_blocked_amount || io.blockedAmount || 0)), 0)}
       />
 
       {/* Initiator Proposal Approval Modal */}
diff --git a/src/dealer-claim/components/request-detail/modals/DealerProposalSubmissionModal.tsx b/src/dealer-claim/components/request-detail/modals/DealerProposalSubmissionModal.tsx
index bf26ed0..8530d9d 100644
--- a/src/dealer-claim/components/request-detail/modals/DealerProposalSubmissionModal.tsx
+++ b/src/dealer-claim/components/request-detail/modals/DealerProposalSubmissionModal.tsx
@@ -50,6 +50,7 @@ interface CostItem {
   cessAmt: number;
   totalAmt: number;
   isService: boolean;
+  isOriginal?: boolean; // Flag to identify items from previous iterations
 }
 
 interface DealerProposalSubmissionModalProps {
@@ -58,7 +59,10 @@ interface DealerProposalSubmissionModalProps {
   onSubmit: (data: {
     proposalDocument: File | null;
     costBreakup: CostItem[];
+    totalEstimatedBudget: number;
     expectedCompletionDate: string;
+    timelineMode: 'date' | 'days';
+    expectedCompletionDays: number;
     otherDocuments: File[];
     dealerComments: string;
   }) => Promise<void>;
@@ -73,6 +77,7 @@ interface DealerProposalSubmissionModalProps {
     allowedFileTypes: string[];
   };
   taxationType?: string | null;
+  totalBlockedAmount?: number;
 }
 
 export function DealerProposalSubmissionModal({
@@ -87,6 +92,7 @@ export function DealerProposalSubmissionModal({
   defaultGstRate = 18,
   documentPolicy,
   taxationType,
+  totalBlockedAmount = 0,
 }: DealerProposalSubmissionModalProps) {
   const [proposalDocument, setProposalDocument] = useState<File | null>(null);
 
@@ -237,7 +243,6 @@ export function DealerProposalSubmissionModal({
     });
   };
 
-  // Handle download file (for non-previewable files)
   const handleDownloadFile = (file: File) => {
     const url = URL.createObjectURL(file);
     const a = document.createElement('a');
@@ -249,6 +254,71 @@ export function DealerProposalSubmissionModal({
     URL.revokeObjectURL(url);
   };
 
+  // Pre-populate with previous proposal data if available
+  useEffect(() => {
+    if (isOpen && previousProposalData) {
+      const isDeltaFlow = totalBlockedAmount > 0;
+      if (previousProposalData.costItems && previousProposalData.costItems.length > 0) {
+        const mappedItems: CostItem[] = previousProposalData.costItems.map((item: any, index: number) => ({
+          id: `original-${index}`,
+          description: item.itemDescription || item.description || '',
+          amount: Number(item.amount) || 0,
+          quantity: Number(item.quantity) || 1,
+          hsnCode: item.hsnCode || '',
+          isService: !!item.isService,
+          gstRate: Number(item.gstRate) || defaultGstRate,
+          cgstRate: Number(item.cgstRate) || 0,
+          sgstRate: Number(item.sgstRate) || 0,
+          utgstRate: Number(item.utgstRate) || 0,
+          igstRate: Number(item.igstRate) || 0,
+          gstAmt: Number(item.gstAmt) || 0,
+          cgstAmt: Number(item.cgstAmt) || 0,
+          sgstAmt: Number(item.sgstAmt) || 0,
+          utgstAmt: Number(item.utgstAmt) || 0,
+          igstAmt: Number(item.igstAmt) || 0,
+          cessRate: Number(item.cessRate) || 0,
+          cessAmt: Number(item.cessAmt) || 0,
+          totalAmt: Number(item.totalAmt) || 0,
+          isOriginal: isDeltaFlow // Only lock as original if budget is already being blocked
+        }));
+        setCostItems(mappedItems);
+      }
+
+      if (previousProposalData.expectedCompletionDate) {
+        setExpectedCompletionDate(previousProposalData.expectedCompletionDate.split('T')[0]);
+        setTimelineMode('date');
+      }
+
+      // We DON'T pre-populate comments to force dealer to explain the re-quotation
+      // setDealerComments(previousProposalData.comments || '');
+    } else if (isOpen && !previousProposalData) {
+      // Default state for new proposals
+      setCostItems([{
+        id: '1',
+        description: '',
+        amount: 0,
+        gstRate: defaultGstRate || 0,
+        gstAmt: 0,
+        quantity: 1,
+        hsnCode: '',
+        isService: false,
+        cgstRate: 0,
+        cgstAmt: 0,
+        sgstRate: 0,
+        sgstAmt: 0,
+        igstRate: 0,
+        igstAmt: 0,
+        utgstRate: 0,
+        utgstAmt: 0,
+        cessRate: 0,
+        cessAmt: 0,
+        totalAmt: 0
+      }]);
+      setExpectedCompletionDate('');
+      setDealerComments('');
+    }
+  }, [isOpen, previousProposalData, defaultGstRate, totalBlockedAmount]);
+
   // Calculate total estimated budget (inclusive of GST)
   const totalBudget = useMemo(() => {
     return costItems.reduce((sum, item) => sum + (item.totalAmt || item.amount || 0), 0);
@@ -368,9 +438,9 @@ export function DealerProposalSubmissionModal({
           let updatedItem = { ...item, [field]: value };
 
           // Re-calculate GST if relevant fields change
-          if (['amount', 'gstRate', 'cgstRate', 'sgstRate', 'utgstRate', 'igstRate', 'quantity'].includes(field)) {
+          if (['amount', 'gstRate', 'cgstRate', 'sgstRate', 'utgstRate', 'igstRate'].includes(field)) {
             const amount = field === 'amount' ? parseFloat(value) || 0 : item.amount;
-            const quantity = field === 'quantity' ? parseInt(value) || 1 : item.quantity;
+            const quantity = 1; // Quantity is now fixed to 1
 
             let cgstRate = item.cgstRate;
             let sgstRate = item.sgstRate;
@@ -481,10 +551,23 @@ export function DealerProposalSubmissionModal({
         }
       }
 
+      const isDeltaFlow = totalBlockedAmount > 0;
+      const costBreakup = costItems
+        .filter(item => item.description.trim() !== '' && item.amount > 0)
+        .map(item => ({
+          ...item,
+          description: (previousProposalData && isDeltaFlow && !item.isOriginal)
+            ? `[ADDITIONAL] ${item.description}`
+            : item.description
+        }));
+
       await onSubmit({
         proposalDocument,
-        costBreakup: costItems.filter(item => item.description.trim() !== '' && item.amount > 0),
+        costBreakup,
+        totalEstimatedBudget: totalBudget,
         expectedCompletionDate: finalCompletionDate,
+        timelineMode,
+        expectedCompletionDays: timelineMode === 'days' ? parseInt(numberOfDays) : 0,
         otherDocuments,
         dealerComments,
       });
@@ -691,7 +774,6 @@ export function DealerProposalSubmissionModal({
                             <thead className="bg-gray-50 text-gray-600">
                               <tr>
                                 <th className="p-2 font-medium">Description</th>
-                                <th className="p-2 font-medium text-right">Qty</th>
                                 <th className="p-2 font-medium text-right">Amount</th>
                               </tr>
                             </thead>
@@ -699,16 +781,13 @@ export function DealerProposalSubmissionModal({
                               {(previousProposalData.costItems || previousProposalData.costBreakup).map((item: any, idx: number) => (
                                 <tr key={idx} className="bg-white">
                                   <td className="p-2 text-gray-800">{item.description}</td>
-                                  <td className="p-2 text-right text-gray-800 font-medium">
-                                    {item.quantity || 1}
-                                  </td>
                                   <td className="p-2 text-right text-gray-800 font-medium">
                                     ₹{Number(item.amount).toLocaleString('en-IN')}
                                   </td>
                                 </tr>
                               ))}
                               <tr className="bg-gray-50 font-bold">
-                                <td colSpan={2} className="p-2 text-gray-900">Total</td>
+                                <td colSpan={1} className="p-2 text-gray-900">Total</td>
                                 <td className="p-2 text-right text-gray-900">
                                   ₹{Number(previousProposalData.totalEstimatedBudget || previousProposalData.totalBudget || 0).toLocaleString('en-IN')}
                                 </td>
@@ -853,12 +932,20 @@ export function DealerProposalSubmissionModal({
                       {/* Row 1: Description and Close */}
                       <div className="flex gap-3 items-start">
                         <div className={`${isNonGst ? 'flex-[3]' : 'flex-1'}`}>
-                          <Label className="text-[10px] uppercase text-gray-500 font-bold mb-1 block">Item Description</Label>
+                          <div className="flex items-center justify-between mb-1">
+                            <Label className="text-[10px] uppercase text-gray-500 font-bold">Item Description</Label>
+                            {item.isOriginal ? (
+                              <Badge className="text-[9px] h-4 bg-gray-200 text-gray-700 hover:bg-gray-200 border-none">ORIGINAL</Badge>
+                            ) : (previousProposalData && totalBlockedAmount > 0) ? (
+                              <Badge className="text-[9px] h-4 bg-amber-100 text-amber-700 hover:bg-amber-100 border-none">ADDITIONAL</Badge>
+                            ) : null}
+                          </div>
                           <Input
                             placeholder="e.g., Venue branding, Logistics, etc."
                             value={item.description}
                             onChange={(e) => handleCostItemChange(item.id, 'description', e.target.value)}
-                            className="w-full bg-white shadow-sm"
+                            className={`w-full bg-white shadow-sm ${item.isOriginal ? 'bg-gray-100 cursor-not-allowed' : ''}`}
+                            disabled={item.isOriginal}
                           />
                         </div>
                         {isNonGst && (
@@ -870,7 +957,8 @@ export function DealerProposalSubmissionModal({
                                 type="number"
                                 value={item.amount || ''}
                                 onChange={(e) => handleCostItemChange(item.id, 'amount', e.target.value)}
-                                className="pl-8 bg-white shadow-sm"
+                                className={`pl-8 bg-white shadow-sm ${item.isOriginal ? 'bg-gray-100 cursor-not-allowed' : ''}`}
+                                disabled={item.isOriginal}
                               />
                             </div>
                           </div>
@@ -881,7 +969,7 @@ export function DealerProposalSubmissionModal({
                           size="sm"
                           className="mt-6 hover:bg-red-50 hover:text-red-600 h-9 w-9 p-0 rounded-full"
                           onClick={() => handleRemoveCostItem(item.id)}
-                          disabled={costItems.length === 1}
+                          disabled={costItems.length === 1 || item.isOriginal}
                         >
                           <X className="w-4 h-4" />
                         </Button>
@@ -897,7 +985,8 @@ export function DealerProposalSubmissionModal({
                                 type="number"
                                 value={item.amount || ''}
                                 onChange={(e) => handleCostItemChange(item.id, 'amount', e.target.value)}
-                                className="pl-8 bg-white shadow-sm"
+                                className={`pl-8 bg-white shadow-sm ${item.isOriginal ? 'bg-gray-100 cursor-not-allowed' : ''}`}
+                                disabled={item.isOriginal}
                               />
                             </div>
                           </div>
@@ -906,7 +995,8 @@ export function DealerProposalSubmissionModal({
                             <Input
                               value={item.hsnCode || ''}
                               onChange={(e) => handleCostItemChange(item.id, 'hsnCode', e.target.value)}
-                              className={`bg-white shadow-sm ${!validateHSNSAC(item.hsnCode, item.isService).isValid ? 'border-red-500' : ''}`}
+                              className={`bg-white shadow-sm ${!validateHSNSAC(item.hsnCode, item.isService).isValid ? 'border-red-500' : ''} ${item.isOriginal ? 'bg-gray-100 cursor-not-allowed' : ''}`}
+                              disabled={item.isOriginal}
                             />
                           </div>
                           <div className="w-28 sm:w-32">
@@ -914,7 +1004,8 @@ export function DealerProposalSubmissionModal({
                             <select
                               value={item.isService ? 'SAC' : 'HSN'}
                               onChange={(e) => handleCostItemChange(item.id, 'isService', e.target.value === 'SAC')}
-                              className="flex h-10 w-full rounded-md border border-input bg-white px-3 py-2 text-sm shadow-sm ring-offset-background focus:outline-none focus:ring-2 focus:ring-[#2d4a3e]"
+                              className={`flex h-10 w-full rounded-md border border-input bg-white px-3 py-2 text-sm shadow-sm ring-offset-background focus:outline-none focus:ring-2 focus:ring-[#2d4a3e] ${item.isOriginal ? 'bg-gray-100 cursor-not-allowed' : ''}`}
+                              disabled={item.isOriginal}
                             >
                               <option value="HSN">HSN (Goods)</option>
                               <option value="SAC">SAC (Service)</option>
diff --git a/src/dealer-claim/components/request-detail/modals/InitiatorProposalApprovalModal.tsx b/src/dealer-claim/components/request-detail/modals/InitiatorProposalApprovalModal.tsx
index 64d3c57..99993c3 100644
--- a/src/dealer-claim/components/request-detail/modals/InitiatorProposalApprovalModal.tsx
+++ b/src/dealer-claim/components/request-detail/modals/InitiatorProposalApprovalModal.tsx
@@ -97,19 +97,7 @@ export function InitiatorProposalApprovalModal({
   const [actionType, setActionType] = useState<'approve' | 'reject' | 'revision' | null>(null);
   const [showPreviousProposal, setShowPreviousProposal] = useState(false);
 
-  // Check if IO is blocked (IO blocking moved to Requestor Evaluation level)
-  const internalOrder = request?.internalOrder || request?.internal_order;
-  const ioBlockedAmount = internalOrder?.ioBlockedAmount || internalOrder?.io_blocked_amount || 0;
-  const isIOBlocked = ioBlockedAmount > 0;
-  const [previewDoc, setPreviewDoc] = useState<{
-    name: string;
-    url: string;
-    type?: string;
-    size?: number;
-    id?: string;
-  } | null>(null);
-
-  // Calculate total budget
+  // Calculate total budget (needed for display)
   const totalBudget = useMemo(() => {
     if (!proposalData?.costBreakup) return 0;
 
@@ -132,6 +120,57 @@ export function InitiatorProposalApprovalModal({
     }, 0);
   }, [proposalData]);
 
+  // Calculate total base amount (needed for budget verification as requested)
+  // This is the taxable amount excluding GST
+  const totalBaseAmount = useMemo(() => {
+    if (!proposalData?.costBreakup) return 0;
+
+    const costBreakup = Array.isArray(proposalData.costBreakup)
+      ? proposalData.costBreakup
+      : (typeof proposalData.costBreakup === 'string'
+        ? JSON.parse(proposalData.costBreakup)
+        : []);
+
+    if (!Array.isArray(costBreakup)) return 0;
+
+    return costBreakup.reduce((sum: number, item: any) => {
+      const amount = typeof item === 'object' ? (item.amount || 0) : 0;
+      const quantity = typeof item === 'object' ? (item.quantity || 1) : 1;
+      return sum + (Number(amount) * Number(quantity));
+    }, 0);
+  }, [proposalData]);
+
+  // Check if IO is blocked (IO blocking moved to Requestor Evaluation level)
+  // Sum up all successful blocks from internalOrders array
+  const totalBlockedAmount = useMemo(() => {
+    const internalOrders = request?.internalOrders || request?.internal_orders || [];
+
+    // If we have an array, sum the blocked amounts
+    if (Array.isArray(internalOrders) && internalOrders.length > 0) {
+      return internalOrders.reduce((sum: number, io: any) => {
+        const amt = Number(io.ioBlockedAmount || io.io_blocked_amount || 0);
+        return sum + amt;
+      }, 0);
+    }
+
+    // Fallback to single internalOrder object for backward compatibility
+    const singleIO = request?.internalOrder || request?.internal_order;
+    return Number(singleIO?.ioBlockedAmount || singleIO?.io_blocked_amount || 0);
+  }, [request?.internalOrders, request?.internal_orders, request?.internalOrder, request?.internal_order]);
+
+  // Budget is considered blocked only if the total blocked amount matches or exceeds the proposed base amount
+  // Allow a small margin for floating point comparison if needed, but here simple >= should suffice
+  const isIOBlocked = totalBlockedAmount >= (totalBaseAmount - 0.01);
+  const remainingBaseToBlock = Math.max(0, totalBaseAmount - totalBlockedAmount);
+
+  const [previewDoc, setPreviewDoc] = useState<{
+    name: string;
+    url: string;
+    type?: string;
+    size?: number;
+    id?: string;
+  } | null>(null);
+
   // Format date
   const formatDate = (dateString: string) => {
     if (!dateString) return '—';
@@ -632,7 +671,20 @@ export function InitiatorProposalApprovalModal({
                           {costBreakup.map((item: any, index: number) => (
                             <div key={item?.id || item?.description || index} className={`px-3 lg:px-4 py-2 lg:py-3 grid ${isNonGst ? 'grid-cols-3' : 'grid-cols-4'} gap-4`}>
                               <div className="col-span-1 text-xs lg:text-sm text-gray-700">
-                                {item?.description || 'N/A'}
+                                <div className="flex items-center gap-1.5 mb-0.5">
+                                  <span className="font-medium">
+                                    {item?.description?.startsWith('[ADDITIONAL]')
+                                      ? item.description.replace('[ADDITIONAL]', '').trim()
+                                      : (item?.description || 'N/A')}
+                                  </span>
+                                  {costBreakup.some((i: any) => i?.description?.startsWith('[ADDITIONAL]')) && (
+                                    item?.description?.startsWith('[ADDITIONAL]') ? (
+                                      <Badge className="text-[9px] h-3.5 px-1 bg-amber-100 text-amber-700 hover:bg-amber-100 border-none leading-none">ADDITIONAL</Badge>
+                                    ) : (
+                                      <Badge className="text-[9px] h-3.5 px-1 bg-gray-100 text-gray-600 hover:bg-gray-100 border-none leading-none">ORIGINAL</Badge>
+                                    )
+                                  )}
+                                </div>
                                 {!isNonGst && item?.gstRate ? <span className="block text-[10px] text-gray-400">{item.gstRate}% GST</span> : null}
                               </div>
                               <div className="text-xs lg:text-sm text-gray-900 text-right">
@@ -787,8 +839,10 @@ export function InitiatorProposalApprovalModal({
             </div>
             {/* Warning for IO not blocked - shown below Approve button */}
             {!isIOBlocked && (
-              <p className="text-xs text-red-600 text-center sm:text-left">
-                Please block IO budget in the IO Tab before approving
+              <p className="text-xs text-red-600 text-center sm:text-left font-medium">
+                {totalBlockedAmount > 0
+                  ? `Pending block: ₹${remainingBaseToBlock.toLocaleString('en-IN', { minimumFractionDigits: 2 })} more needs to be blocked in the IO Tab.`
+                  : "Please block IO budget in the IO Tab before approving."}
               </p>
             )}
           </div>
diff --git a/src/dealer-claim/pages/RequestDetail.tsx b/src/dealer-claim/pages/RequestDetail.tsx
index c36477c..3db8836 100644
--- a/src/dealer-claim/pages/RequestDetail.tsx
+++ b/src/dealer-claim/pages/RequestDetail.tsx
@@ -155,8 +155,12 @@ function DealerClaimRequestDetailInner({ requestId: propRequestId, onBack, dynam
   const currentUserId = (user as any)?.userId || '';
 
   // IO tab visibility for dealer claims
-  // Show IO tab for initiator (Requestor Evaluation level) - initiator can now fetch and block IO
-  const showIOTab = isInitiator;
+  // Restricted: Hide from Dealers, show for internal roles (Initiator, Dept Lead, Finance, Admin)
+  const isDealer = (user as any)?.jobTitle === 'Dealer' || (user as any)?.designation === 'Dealer';
+  const isClaimManagement = request?.workflowType === 'CLAIM_MANAGEMENT' ||
+    apiRequest?.workflowType === 'CLAIM_MANAGEMENT' ||
+    request?.templateType === 'claim-management';
+  const showIOTab = isClaimManagement && !isDealer;
 
   const {
     mergedMessages,
diff --git a/src/hooks/useRequestDetails.ts b/src/hooks/useRequestDetails.ts
index 958e2aa..81f745b 100644
--- a/src/hooks/useRequestDetails.ts
+++ b/src/hooks/useRequestDetails.ts
@@ -238,6 +238,7 @@ export function useRequestDetails(
       let proposalDetails = null;
       let completionDetails = null;
       let internalOrder = null;
+      let internalOrders = [];
 
       if (wf.workflowType === 'CLAIM_MANAGEMENT' || wf.templateType === 'claim-management') {
         try {
@@ -250,6 +251,7 @@ export function useRequestDetails(
             proposalDetails = claimData.proposalDetails || claimData.proposal_details;
             completionDetails = claimData.completionDetails || claimData.completion_details;
             internalOrder = claimData.internalOrder || claimData.internal_order || null;
+            internalOrders = claimData.internalOrders || claimData.internal_orders || [];
             // New normalized tables
             const budgetTracking = claimData.budgetTracking || claimData.budget_tracking || null;
             const invoice = claimData.invoice || null;
@@ -326,6 +328,7 @@ export function useRequestDetails(
         proposalDetails: proposalDetails || null,
         completionDetails: completionDetails || null,
         internalOrder: internalOrder || null,
+        internalOrders: internalOrders || [],
         // New normalized tables (also available via claimDetails for backward compatibility)
         budgetTracking: (claimDetails as any)?.budgetTracking || null,
         invoice: (claimDetails as any)?.invoice || null,
@@ -517,6 +520,7 @@ export function useRequestDetails(
         let proposalDetails = null;
         let completionDetails = null;
         let internalOrder = null;
+        let internalOrders = [];
 
         if (wf.workflowType === 'CLAIM_MANAGEMENT' || wf.templateType === 'claim-management') {
           try {
@@ -528,6 +532,7 @@ export function useRequestDetails(
               proposalDetails = claimData.proposalDetails || claimData.proposal_details;
               completionDetails = claimData.completionDetails || claimData.completion_details;
               internalOrder = claimData.internalOrder || claimData.internal_order || null;
+              internalOrders = claimData.internalOrders || claimData.internal_orders || [];
               // New normalized tables
               const budgetTracking = claimData.budgetTracking || claimData.budget_tracking || null;
               const invoice = claimData.invoice || null;
@@ -591,6 +596,7 @@ export function useRequestDetails(
           proposalDetails: proposalDetails || null,
           completionDetails: completionDetails || null,
           internalOrder: internalOrder || null,
+          internalOrders: internalOrders || [],
           // New normalized tables (also available via claimDetails for backward compatibility)
           budgetTracking: (claimDetails as any)?.budgetTracking || null,
           invoice: (claimDetails as any)?.invoice || null,