Escalation Bill Price variation for RA and final bills · index-based formula

Price index database

Official indices: CPI-IW for the Labour Bureau's centres (base 2016 = 100, from January 2024) and the Wholesale Price Index for every item - the current series (base 2022-23 = 100, from April 2023) and the former series (base 2011-12 = 100, from January 2024 to April 2026, continued by linking). Escalation bills take their base and current indices from here.

Latest official month in the database: CPI-IW 2026-08, WPI 2022-23 2026-09, WPI 2011-12 2026-04 (linked to 2026-09). Source: indices you define - any index your contract names that is not published here - a state or department material index, a manufacturer's price list, a local labour rate index. Give it a name, enter or paste its monthly figures, and pick it for a component in any escalation bill. Values entered by hand are highlighted and kept when you update.

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WPI 2011-12 - Jun 2026 1 series

Item [OEA code]GroupIndex Change on previous monthChange over 12 months
Bitumen VG-30 (bulk) - IOCL Koyali refinery (user defined, base ₹/MT)Custom - user defined75482.00 -6570.0 - all months