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 Raniganj (West Bengal) West Bengal

MonthIndexChange on previous month Change over 12 monthsAll IndiaSource
Aug 2026159.40 +1.3 +3.78 % 154.4 Labour Bureau
Jul 2026158.10 +0.1 +3.00 % 153.2 Labour Bureau
Jun 2026158.00 +0.5 +4.57 % 151.9 Labour Bureau
May 2026157.50 +0.4 +4.10 % 150.8 Labour Bureau
Apr 2026157.10 +2.4 +4.11 % 149.9 Labour Bureau
Mar 2026154.70 +0.1 +3.06 % 149.1 Labour Bureau
Feb 2026154.60 +0.1 +1.24 % 148.5 Labour Bureau
Jan 2026154.50 +0.2 +1.25 % 148.6 Labour Bureau
Dec 2025154.30 -0.2 +0.52 % 148.2 Labour Bureau
Nov 2025154.50 -1.0 +0.46 % 148.2 Labour Bureau
Oct 2025155.50 +0.2 +0.39 % 147.7 Labour Bureau
Sep 2025155.30 +1.7 +2.10 % 147.3 Labour Bureau
Aug 2025153.60 +0.1 +0.72 % 147.1 Labour Bureau
Jul 2025153.50 +2.4 +0.66 % 146.5 Labour Bureau
Jun 2025151.10 -0.2 +1.48 % 145.0 Labour Bureau
May 2025151.30 +0.4 +2.02 % 144.0 Labour Bureau
Apr 2025150.90 +0.8 +2.51 % 143.5 Labour Bureau
Mar 2025150.10 -2.6 +1.97 % 143.0 Labour Bureau
Feb 2025152.70 +0.1 +3.74 % 142.8 Labour Bureau
Jan 2025152.60 -0.9 +3.67 % 143.2 Labour Bureau
Dec 2024153.50 -0.3 - 143.7 Labour Bureau
Nov 2024153.80 -1.1 - 144.5 Labour Bureau
Oct 2024154.90 +2.8 - 144.5 Labour Bureau
Sep 2024152.10 -0.4 - 143.3 Labour Bureau
Aug 2024152.50 0.0 - 142.6 Labour Bureau
Jul 2024152.50 +3.6 - 142.7 Labour Bureau
Jun 2024148.90 +0.6 - 141.4 Labour Bureau
May 2024148.30 +1.1 - 139.9 Labour Bureau
Apr 2024147.20 0.0 - 139.4 Labour Bureau
Mar 2024147.20 0.0 - 138.9 Labour Bureau
Feb 2024147.20 0.0 - 139.2 Labour Bureau
Jan 2024147.20 - - 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.