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 Expandable Polystyrene(EPS) [1310030009, 2022-23] Manufactured products

MonthIndexChange on previous month Change over 12 monthsWPI all commoditiesSource
Sep 2026121.90 -0.2 +30.93 % 112.5 OEA
Aug 2026122.10 +2.9 +33.59 % 110.8 OEA
Jul 2026119.20 -5.8 +29.14 % 110.0 OEA
Jun 2026125.00 -1.0 +36.61 % 110.3 OEA
May 2026126.00 -2.6 +36.96 % 110.1 OEA
Apr 2026128.60 +21.0 +35.51 % 108.9 OEA
Mar 2026107.60 +9.7 +11.73 % 104.6 OEA
Feb 202697.90 +4.4 +1.87 % 103.1 OEA
Jan 202693.50 +2.2 -1.89 % 102.3 OEA
Dec 202591.30 +0.6 -3.89 % 101.9 OEA
Nov 202590.70 0.0 -6.30 % 101.5 OEA
Oct 202590.70 -2.4 -7.35 % 100.9 OEA
Sep 202593.10 +1.7 -5.96 % 101.0 OEA
Aug 202591.40 -0.9 -9.05 % 100.8 OEA
Jul 202592.30 +0.8 -9.24 % 100.2 OEA
Jun 202591.50 -0.5 -10.99 % 100.3 OEA
May 202592.00 -2.9 -9.54 % 100.2 OEA
Apr 202594.90 -1.4 -3.56 % 100.5 OEA
Mar 202596.30 +0.2 -1.53 % 100.6 OEA
Feb 202596.10 +0.8 -0.10 % 100.9 OEA
Jan 202595.30 +0.3 +3.59 % 101.1 OEA
Dec 202495.00 -1.8 +3.04 % 101.6 OEA
Nov 202496.80 -1.1 +3.64 % 102.1 OEA
Oct 202497.90 -1.1 +5.16 % 102.1 OEA
Sep 202499.00 -1.5 +7.38 % 101.2 OEA
Aug 2024100.50 -1.2 +9.00 % 100.8 OEA
Jul 2024101.70 -1.1 +12.13 % 101.0 OEA
Jun 2024102.80 +1.1 +13.59 % 100.7 OEA
May 2024101.70 +3.3 +8.31 % 100.4 OEA
Apr 202498.40 +0.6 +4.90 % 99.9 OEA
Mar 202497.80 +1.6 - 99.4 OEA
Feb 202496.20 +4.2 - 99.3 OEA
Jan 202492.00 -0.2 - 99.3 OEA
Dec 202392.20 -1.2 - 99.4 OEA
Nov 202393.40 +0.3 - 100.1 OEA
Oct 202393.10 +0.9 - 100.1 OEA
Sep 202392.20 0.0 - 99.6 OEA
Aug 202392.20 +1.5 - 99.5 OEA
Jul 202390.70 +0.2 - 99.1 OEA
Jun 202390.50 -3.4 - 98.3 OEA
May 202393.90 +0.1 - 98.6 OEA
Apr 202393.80 - - 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.