| S.No. | Field / Checkpoint | Reference | Status |
|---|---|---|---|
| A. CONTRACT REFERENCE | |||
| A1 | Contract no. + value + base date + duration Acceptance: Linked | Per agreement | OK NC NA |
| A2 | PA formula per contract — components + weights Acceptance: Components per contract | Per CPWD or MoRTH formula | OK NC NA |
| B. INDEX DATA | |||
| B1 | Base index for each component (Cement, Steel, Bitumen, Fuel, Labour, Others) Acceptance: Per source | WPI / state PWD index at base date | OK NC NA |
| B2 | Current index for billing period Acceptance: Per source | Same source, current date | OK NC NA |
| B3 | % change per component Acceptance: Computed | (Current - Base) / Base × 100 | OK NC NA |
| C. ESCALATION COMPUTATION | |||
| C1 | PA = Contract Value × Σ (Weight × % change) Acceptance: Computed | Per formula | OK NC NA |
| C2 | PA applied to RA bill (typically quarterly) Acceptance: Bill computed | Per contract | OK NC NA |
| C3 | Adjustment for advance / completed work outside review period Acceptance: Per clause | Per contract clause | OK NC NA |