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: Labour Bureau, Govt. of India - CPI-IW centre index (base 2016=100) - labourbureau.gov.in/centre-index. Each month's CPI-IW is released on the last working day of the following month. Values entered by hand are highlighted and kept when you update.

CPI-IW Jalpaiguri (West Bengal) West Bengal

MonthIndexChange on previous month Change over 12 monthsAll IndiaSource
Aug 2026146.00 +0.7 +3.62 % 154.4 Labour Bureau
Jul 2026145.30 +5.2 +3.64 % 153.2 Labour Bureau
Jun 2026140.10 -0.5 +1.16 % 151.9 Labour Bureau
May 2026140.60 +0.8 +1.22 % 150.8 Labour Bureau
Apr 2026139.80 -0.4 +1.23 % 149.9 Labour Bureau
Mar 2026140.20 -0.7 +2.64 % 149.1 Labour Bureau
Feb 2026140.90 -0.3 +2.77 % 148.5 Labour Bureau
Jan 2026141.20 -2.4 +3.37 % 148.6 Labour Bureau
Dec 2025143.60 +1.2 +1.34 % 148.2 Labour Bureau
Nov 2025142.40 +1.1 -1.66 % 148.2 Labour Bureau
Oct 2025141.30 0.0 -1.74 % 147.7 Labour Bureau
Sep 2025141.30 +0.4 -0.77 % 147.3 Labour Bureau
Aug 2025140.90 +0.7 -1.19 % 147.1 Labour Bureau
Jul 2025140.20 +1.7 -0.99 % 146.5 Labour Bureau
Jun 2025138.50 -0.4 -1.21 % 145.0 Labour Bureau
May 2025138.90 +0.8 +2.28 % 144.0 Labour Bureau
Apr 2025138.10 +1.5 +1.77 % 143.5 Labour Bureau
Mar 2025136.60 -0.5 0.00 % 143.0 Labour Bureau
Feb 2025137.10 +0.5 +1.03 % 142.8 Labour Bureau
Jan 2025136.60 -5.1 -1.01 % 143.2 Labour Bureau
Dec 2024141.70 -3.1 - 143.7 Labour Bureau
Nov 2024144.80 +1.0 - 144.5 Labour Bureau
Oct 2024143.80 +1.4 - 144.5 Labour Bureau
Sep 2024142.40 -0.2 - 143.3 Labour Bureau
Aug 2024142.60 +1.0 - 142.6 Labour Bureau
Jul 2024141.60 +1.4 - 142.7 Labour Bureau
Jun 2024140.20 +4.4 - 141.4 Labour Bureau
May 2024135.80 +0.1 - 139.9 Labour Bureau
Apr 2024135.70 -0.9 - 139.4 Labour Bureau
Mar 2024136.60 +0.9 - 138.9 Labour Bureau
Feb 2024135.70 -2.3 - 139.2 Labour Bureau
Jan 2024138.00 - - 138.9 Labour Bureau

Enter a month by hand

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.