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 Thermocol/P.S Polystyrene [1310030012, 2022-23] Manufactured products

MonthIndexChange on previous month Change over 12 monthsWPI all commoditiesSource
Sep 2026118.30 +2.1 +21.71 % 112.5 OEA
Aug 2026116.20 +1.7 +18.33 % 110.8 OEA
Jul 2026114.50 -2.2 +17.56 % 110.0 OEA
Jun 2026116.70 -3.6 +17.17 % 110.3 OEA
May 2026120.30 +5.8 +19.94 % 110.1 OEA
Apr 2026114.50 +6.2 +13.37 % 108.9 OEA
Mar 2026108.30 +8.8 +8.19 % 104.6 OEA
Feb 202699.50 +0.8 -0.30 % 103.1 OEA
Jan 202698.70 +0.3 -0.10 % 102.3 OEA
Dec 202598.40 +1.2 -0.81 % 101.9 OEA
Nov 202597.20 0.0 -2.70 % 101.5 OEA
Oct 202597.20 0.0 -2.90 % 100.9 OEA
Sep 202597.20 -1.0 -4.14 % 101.0 OEA
Aug 202598.20 +0.8 -3.35 % 100.8 OEA
Jul 202597.40 -2.2 -4.70 % 100.2 OEA
Jun 202599.60 -0.7 -2.45 % 100.3 OEA
May 2025100.30 -0.7 -1.96 % 100.2 OEA
Apr 2025101.00 +0.9 -1.66 % 100.5 OEA
Mar 2025100.10 +0.3 -2.63 % 100.6 OEA
Feb 202599.80 +1.0 -1.87 % 100.9 OEA
Jan 202598.80 -0.4 -0.70 % 101.1 OEA
Dec 202499.20 -0.7 -0.30 % 101.6 OEA
Nov 202499.90 -0.2 +0.81 % 102.1 OEA
Oct 2024100.10 -1.3 +1.11 % 102.1 OEA
Sep 2024101.40 -0.2 +1.81 % 101.2 OEA
Aug 2024101.60 -0.6 +1.80 % 100.8 OEA
Jul 2024102.20 +0.1 +2.71 % 101.0 OEA
Jun 2024102.10 -0.2 +2.61 % 100.7 OEA
May 2024102.30 -0.4 +2.30 % 100.4 OEA
Apr 2024102.70 -0.1 +2.91 % 99.9 OEA
Mar 2024102.80 +1.1 - 99.4 OEA
Feb 2024101.70 +2.2 - 99.3 OEA
Jan 202499.50 0.0 - 99.3 OEA
Dec 202399.50 +0.4 - 99.4 OEA
Nov 202399.10 +0.1 - 100.1 OEA
Oct 202399.00 -0.6 - 100.1 OEA
Sep 202399.60 -0.2 - 99.6 OEA
Aug 202399.80 +0.3 - 99.5 OEA
Jul 202399.50 0.0 - 99.1 OEA
Jun 202399.50 -0.5 - 98.3 OEA
May 2023100.00 +0.2 - 98.6 OEA
Apr 202399.80 - - 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.