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 Callots and Semi-Finished Zinc Products(Zinc bars, rods, profiles and wire; zinc plates, sheets, strip and foil etc) [1314020012, 2022-23] Manufactured products

MonthIndexChange on previous month Change over 12 monthsWPI all commoditiesSource
Sep 2026124.40 +10.1 +29.85 % 112.5 OEA
Aug 2026114.30 -1.3 +19.56 % 110.8 OEA
Jul 2026115.60 +2.0 +23.50 % 110.0 OEA
Jun 2026113.60 +3.9 +21.89 % 110.3 OEA
May 2026109.70 +2.3 +18.98 % 110.1 OEA
Apr 2026107.40 +0.6 +13.65 % 108.9 OEA
Mar 2026106.80 +1.9 +13.38 % 104.6 OEA
Feb 2026104.90 +4.6 +11.24 % 103.1 OEA
Jan 2026100.30 +0.9 +6.93 % 102.3 OEA
Dec 202599.40 +1.4 +4.96 % 101.9 OEA
Nov 202598.00 +0.4 +3.48 % 101.5 OEA
Oct 202597.60 +1.8 +3.72 % 100.9 OEA
Sep 202595.80 +0.2 +2.13 % 101.0 OEA
Aug 202595.60 +2.0 +3.46 % 100.8 OEA
Jul 202593.60 +0.4 -2.09 % 100.2 OEA
Jun 202593.20 +1.0 -1.79 % 100.3 OEA
May 202592.20 -2.3 -2.23 % 100.2 OEA
Apr 202594.50 +0.3 +4.30 % 100.5 OEA
Mar 202594.20 -0.1 +7.41 % 100.6 OEA
Feb 202594.30 +0.5 +5.60 % 100.9 OEA
Jan 202593.80 -0.9 +4.11 % 101.1 OEA
Dec 202494.70 0.0 +3.72 % 101.6 OEA
Nov 202494.70 +0.6 +7.61 % 102.1 OEA
Oct 202494.10 +0.3 +3.86 % 102.1 OEA
Sep 202493.80 +1.4 +5.16 % 101.2 OEA
Aug 202492.40 -3.2 +3.47 % 100.8 OEA
Jul 202495.60 +0.7 +6.70 % 101.0 OEA
Jun 202494.90 +0.6 +6.75 % 100.7 OEA
May 202494.30 +3.7 +2.17 % 100.4 OEA
Apr 202490.60 +2.9 -4.53 % 99.9 OEA
Mar 202487.70 -1.6 - 99.4 OEA
Feb 202489.30 -0.8 - 99.3 OEA
Jan 202490.10 -1.2 - 99.3 OEA
Dec 202391.30 +3.3 - 99.4 OEA
Nov 202388.00 -2.6 - 100.1 OEA
Oct 202390.60 +1.4 - 100.1 OEA
Sep 202389.20 -0.1 - 99.6 OEA
Aug 202389.30 -0.3 - 99.5 OEA
Jul 202389.60 +0.7 - 99.1 OEA
Jun 202388.90 -3.4 - 98.3 OEA
May 202392.30 -2.6 - 98.6 OEA
Apr 202394.90 - - 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.