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: Office of the Economic Adviser, DPIIT - Wholesale Price Index (base 2011-12=100) - eaindustry.nic.in. The OEA stopped this series after April 2026. Later months are linked: the 2022-23 index of the same item multiplied by a linking factor - the OEA's own factors for All commodities (1.53), Primary articles (1.71), Fuel & power (1.65) and Manufactured products (1.44), and for other items the ratio of the geometric means of their FY 2024-25 indices in the two series, the method the OEA used. Items with no clear successor in the new series are not linked; use the 2022-23 series for them. Values entered by hand are highlighted and kept when you update.

WPI Fish-Inland [1101040002] Primary articles

Linked values: from May 2026 = WPI 2022-23 [1101040001] x 1.6956 (item linking factor, ratio of FY 2024-25 geometric means).

MonthIndexChange on previous month Change over 12 monthsWPI all commoditiesSource
Sep 2026160.90 -2.0 -1.47 % 172.1 linked (2022-23 × 1.6956)
Aug 2026162.90 -0.9 -1.99 % 169.5 linked (2022-23 × 1.6956)
Jul 2026163.80 -2.2 +0.74 % 168.3 linked (2022-23 × 1.6956)
Jun 2026166.00 +0.3 -0.06 % 168.8 linked (2022-23 × 1.6956)
May 2026165.70 +1.9 -0.18 % 168.5 linked (2022-23 × 1.6956)
Apr 2026163.80 -0.5 +3.15 % 167.6 OEA
Mar 2026164.30 +2.6 +0.12 % 161.2 OEA
Feb 2026161.70 -5.0 -5.22 % 158.4 OEA
Jan 2026166.70 +3.1 -2.11 % 157.6 OEA
Dec 2025163.60 0.0 -2.91 % 157.2 OEA
Nov 2025163.60 -0.3 -3.14 % 156.2 OEA
Oct 2025163.90 +0.6 -3.81 % 155.1 OEA
Sep 2025163.30 -2.9 -4.56 % 155.0 OEA
Aug 2025166.20 +3.6 -3.03 % 155.2 OEA
Jul 2025162.60 -3.5 -1.51 % 154.4 OEA
Jun 2025166.10 +0.1 +0.36 % 153.7 OEA
May 2025166.00 +7.2 +0.67 % 153.7 OEA
Apr 2025158.80 -5.3 -1.73 % 154.2 OEA
Mar 2025164.10 -6.5 +0.31 % 154.8 OEA
Feb 2025170.60 +0.3 +3.39 % 154.9 OEA
Jan 2025170.30 +1.8 +2.34 % 155.0 OEA
Dec 2024168.50 -0.4 - 155.7 OEA
Nov 2024168.90 -1.5 - 156.4 OEA
Oct 2024170.40 -0.7 - 156.7 OEA
Sep 2024171.10 -0.3 - 154.7 OEA
Aug 2024171.40 +6.3 - 154.4 OEA
Jul 2024165.10 -0.4 - 155.3 OEA
Jun 2024165.50 +0.6 - 154.0 OEA
May 2024164.90 +3.3 - 153.5 OEA
Apr 2024161.60 -2.0 - 152.9 OEA
Mar 2024163.60 -1.4 - 151.4 OEA
Feb 2024165.00 -1.4 - 151.2 OEA
Jan 2024166.40 - - 151.2 OEA

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For a month not yet in the database (e.g. from the latest press release). Updates from the website do not replace hand-entered values; enter the official figure here to correct one.