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 2022-23=100) - eaindustry.nic.in. Provisional figures are released on the 14th of the following month and made final two months later. Values entered by hand are highlighted and kept when you update.

WPI Lighting components (headlamps, taillights, indicators) [1317060002, 2022-23] Manufactured products

MonthIndexChange on previous month Change over 12 monthsWPI all commoditiesSource
Sep 2026100.10 +1.4 +1.73 % 112.5 OEA
Aug 202698.70 -0.4 +0.51 % 110.8 OEA
Jul 202699.10 -0.4 +0.81 % 110.0 OEA
Jun 202699.50 +1.1 +1.02 % 110.3 OEA
May 202698.40 +0.1 -0.30 % 110.1 OEA
Apr 202698.30 0.0 -0.41 % 108.9 OEA
Mar 202698.30 +0.5 +0.20 % 104.6 OEA
Feb 202697.80 -0.9 +0.41 % 103.1 OEA
Jan 202698.70 +0.4 +1.23 % 102.3 OEA
Dec 202598.30 -1.9 +1.03 % 101.9 OEA
Nov 2025100.20 +1.5 +4.59 % 101.5 OEA
Oct 202598.70 +0.3 +1.65 % 100.9 OEA
Sep 202598.40 +0.2 +1.44 % 101.0 OEA
Aug 202598.20 -0.1 +2.40 % 100.8 OEA
Jul 202598.30 -0.2 +3.26 % 100.2 OEA
Jun 202598.50 -0.2 +3.58 % 100.3 OEA
May 202598.70 0.0 +3.68 % 100.2 OEA
Apr 202598.70 +0.6 +3.68 % 100.5 OEA
Mar 202598.10 +0.7 +2.62 % 100.6 OEA
Feb 202597.40 -0.1 +1.88 % 100.9 OEA
Jan 202597.50 +0.2 +1.88 % 101.1 OEA
Dec 202497.30 +1.5 +1.46 % 101.6 OEA
Nov 202495.80 -1.3 -1.14 % 102.1 OEA
Oct 202497.10 +0.1 +0.62 % 102.1 OEA
Sep 202497.00 +1.1 +0.62 % 101.2 OEA
Aug 202495.90 +0.7 -1.34 % 100.8 OEA
Jul 202495.20 +0.1 -1.86 % 101.0 OEA
Jun 202495.10 -0.1 -2.46 % 100.7 OEA
May 202495.20 0.0 -2.36 % 100.4 OEA
Apr 202495.20 -0.4 -2.86 % 99.9 OEA
Mar 202495.60 0.0 - 99.4 OEA
Feb 202495.60 -0.1 - 99.3 OEA
Jan 202495.70 -0.2 - 99.3 OEA
Dec 202395.90 -1.0 - 99.4 OEA
Nov 202396.90 +0.4 - 100.1 OEA
Oct 202396.50 +0.1 - 100.1 OEA
Sep 202396.40 -0.8 - 99.6 OEA
Aug 202397.20 +0.2 - 99.5 OEA
Jul 202397.00 -0.5 - 99.1 OEA
Jun 202397.50 0.0 - 98.3 OEA
May 202397.50 -0.5 - 98.6 OEA
Apr 202398.00 - - 99.0 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.