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 Zinc concentrate [1103010003, 2022-23] Primary articles

MonthIndexChange on previous month Change over 12 monthsWPI all commoditiesSource
Sep 2026151.40 +4.2 +43.51 % 112.5 OEA
Aug 2026147.20 +18.9 +41.54 % 110.8 OEA
Jul 2026128.30 -15.0 +36.49 % 110.0 OEA
Jun 2026143.30 +11.8 +67.60 % 110.3 OEA
May 2026131.50 +5.5 +55.81 % 110.1 OEA
Apr 2026126.00 +20.5 +52.73 % 108.9 OEA
Mar 2026105.50 -21.4 +26.05 % 104.6 OEA
Feb 2026126.90 +7.1 +47.73 % 103.1 OEA
Jan 2026119.80 +4.8 +37.07 % 102.3 OEA
Dec 2025115.00 -8.7 +25.96 % 101.9 OEA
Nov 2025123.70 +29.9 +41.05 % 101.5 OEA
Oct 202593.80 -11.7 +2.40 % 100.9 OEA
Sep 2025105.50 +1.5 +15.05 % 101.0 OEA
Aug 2025104.00 +10.0 +13.17 % 100.8 OEA
Jul 202594.00 +8.5 +1.84 % 100.2 OEA
Jun 202585.50 +1.1 -6.96 % 100.3 OEA
May 202584.40 +1.9 -9.83 % 100.2 OEA
Apr 202582.50 -1.2 -11.10 % 100.5 OEA
Mar 202583.70 -2.2 -5.53 % 100.6 OEA
Feb 202585.90 -1.5 -6.83 % 100.9 OEA
Jan 202587.40 -3.9 -4.59 % 101.1 OEA
Dec 202491.30 +3.6 -1.72 % 101.6 OEA
Nov 202487.70 -3.9 -7.20 % 102.1 OEA
Oct 202491.60 -0.1 -1.72 % 102.1 OEA
Sep 202491.70 -0.2 -0.54 % 101.2 OEA
Aug 202491.90 -0.4 +0.11 % 100.8 OEA
Jul 202492.30 +0.4 +1.54 % 101.0 OEA
Jun 202491.90 -1.7 +1.32 % 100.7 OEA
May 202493.60 +0.8 +2.18 % 100.4 OEA
Apr 202492.80 +4.2 -1.69 % 99.9 OEA
Mar 202488.60 -3.6 - 99.4 OEA
Feb 202492.20 +0.6 - 99.3 OEA
Jan 202491.60 -1.3 - 99.3 OEA
Dec 202392.90 -1.6 - 99.4 OEA
Nov 202394.50 +1.3 - 100.1 OEA
Oct 202393.20 +1.0 - 100.1 OEA
Sep 202392.20 +0.4 - 99.6 OEA
Aug 202391.80 +0.9 - 99.5 OEA
Jul 202390.90 +0.2 - 99.1 OEA
Jun 202390.70 -0.9 - 98.3 OEA
May 202391.60 -2.8 - 98.6 OEA
Apr 202394.40 - - 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.