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 Solar collector and parts thereof of aluminium [1316010001, 2022-23] Manufactured products

MonthIndexChange on previous month Change over 12 monthsWPI all commoditiesSource
Sep 2026121.20 -2.2 +5.48 % 112.5 OEA
Aug 2026123.40 +3.9 +18.31 % 110.8 OEA
Jul 2026119.50 -0.1 +3.91 % 110.0 OEA
Jun 2026119.60 +3.4 +4.09 % 110.3 OEA
May 2026116.20 +3.2 +4.68 % 110.1 OEA
Apr 2026113.00 -4.2 -3.17 % 108.9 OEA
Mar 2026117.20 -3.3 -0.09 % 104.6 OEA
Feb 2026120.50 +13.0 +1.69 % 103.1 OEA
Jan 2026107.50 0.0 -8.98 % 102.3 OEA
Dec 2025107.50 0.0 -5.29 % 101.9 OEA
Nov 2025107.50 0.0 -6.28 % 101.5 OEA
Oct 2025107.50 -7.4 -3.67 % 100.9 OEA
Sep 2025114.90 +10.6 +12.76 % 101.0 OEA
Aug 2025104.30 -10.7 -10.40 % 100.8 OEA
Jul 2025115.00 +0.1 +5.02 % 100.2 OEA
Jun 2025114.90 +3.9 +9.64 % 100.3 OEA
May 2025111.00 -5.7 +3.16 % 100.2 OEA
Apr 2025116.70 -0.6 +6.77 % 100.5 OEA
Mar 2025117.30 -1.2 +12.57 % 100.6 OEA
Feb 2025118.50 +0.4 +25.00 % 100.9 OEA
Jan 2025118.10 +4.6 +7.27 % 101.1 OEA
Dec 2024113.50 -1.2 +0.44 % 101.6 OEA
Nov 2024114.70 +3.1 +16.80 % 102.1 OEA
Oct 2024111.60 +9.7 +13.41 % 102.1 OEA
Sep 2024101.90 -14.5 -10.93 % 101.2 OEA
Aug 2024116.40 +6.9 -0.51 % 100.8 OEA
Jul 2024109.50 +4.7 -8.06 % 101.0 OEA
Jun 2024104.80 -2.8 -9.58 % 100.7 OEA
May 2024107.60 -1.7 -14.87 % 100.4 OEA
Apr 2024109.30 +5.1 -3.70 % 99.9 OEA
Mar 2024104.20 +9.4 - 99.4 OEA
Feb 202494.80 -15.3 - 99.3 OEA
Jan 2024110.10 -2.9 - 99.3 OEA
Dec 2023113.00 +14.8 - 99.4 OEA
Nov 202398.20 -0.2 - 100.1 OEA
Oct 202398.40 -16.0 - 100.1 OEA
Sep 2023114.40 -2.6 - 99.6 OEA
Aug 2023117.00 -2.1 - 99.5 OEA
Jul 2023119.10 +3.2 - 99.1 OEA
Jun 2023115.90 -10.5 - 98.3 OEA
May 2023126.40 +12.9 - 98.6 OEA
Apr 2023113.50 - - 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.