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 Chandigarh (Chandigarh(UT)) Chandigarh(UT)

MonthIndexChange on previous month Change over 12 monthsAll IndiaSource
Aug 2026159.50 +1.2 +3.04 % 154.4 Labour Bureau
Jul 2026158.30 +1.0 +2.79 % 153.2 Labour Bureau
Jun 2026157.30 +0.8 +3.83 % 151.9 Labour Bureau
May 2026156.50 +1.0 +3.51 % 150.8 Labour Bureau
Apr 2026155.50 +0.5 +2.64 % 149.9 Labour Bureau
Mar 2026155.00 +0.1 +2.65 % 149.1 Labour Bureau
Feb 2026154.90 +0.3 +2.51 % 148.5 Labour Bureau
Jan 2026154.60 +0.4 +2.32 % 148.6 Labour Bureau
Dec 2025154.20 -0.5 +2.05 % 148.2 Labour Bureau
Nov 2025154.70 -0.2 +2.04 % 148.2 Labour Bureau
Oct 2025154.90 +0.4 +2.11 % 147.7 Labour Bureau
Sep 2025154.50 -0.3 +2.18 % 147.3 Labour Bureau
Aug 2025154.80 +0.8 +3.06 % 147.1 Labour Bureau
Jul 2025154.00 +2.5 +2.53 % 146.5 Labour Bureau
Jun 2025151.50 +0.3 +2.57 % 145.0 Labour Bureau
May 2025151.20 -0.3 +3.00 % 144.0 Labour Bureau
Apr 2025151.50 +0.5 +3.13 % 143.5 Labour Bureau
Mar 2025151.00 -0.1 +2.93 % 143.0 Labour Bureau
Feb 2025151.10 0.0 +3.35 % 142.8 Labour Bureau
Jan 2025151.10 0.0 +3.56 % 143.2 Labour Bureau
Dec 2024151.10 -0.5 - 143.7 Labour Bureau
Nov 2024151.60 -0.1 - 144.5 Labour Bureau
Oct 2024151.70 +0.5 - 144.5 Labour Bureau
Sep 2024151.20 +1.0 - 143.3 Labour Bureau
Aug 2024150.20 0.0 - 142.6 Labour Bureau
Jul 2024150.20 +2.5 - 142.7 Labour Bureau
Jun 2024147.70 +0.9 - 141.4 Labour Bureau
May 2024146.80 -0.1 - 139.9 Labour Bureau
Apr 2024146.90 +0.2 - 139.4 Labour Bureau
Mar 2024146.70 +0.5 - 138.9 Labour Bureau
Feb 2024146.20 +0.3 - 139.2 Labour Bureau
Jan 2024145.90 - - 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.