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 Labac-Silchar (Assam) Assam

MonthIndexChange on previous month Change over 12 monthsAll IndiaSource
Aug 2026150.90 +0.4 +4.43 % 154.4 Labour Bureau
Jul 2026150.50 +3.3 +4.01 % 153.2 Labour Bureau
Jun 2026147.20 +1.6 +2.22 % 151.9 Labour Bureau
May 2026145.60 +1.1 +2.39 % 150.8 Labour Bureau
Apr 2026144.50 +2.3 +2.85 % 149.9 Labour Bureau
Mar 2026142.20 +0.3 +1.79 % 149.1 Labour Bureau
Feb 2026141.90 +0.1 +0.92 % 148.5 Labour Bureau
Jan 2026141.80 -3.0 -2.74 % 148.6 Labour Bureau
Dec 2025144.80 -1.7 -2.49 % 148.2 Labour Bureau
Nov 2025146.50 +0.7 -2.53 % 148.2 Labour Bureau
Oct 2025145.80 +0.5 -2.47 % 147.7 Labour Bureau
Sep 2025145.30 +0.8 -2.48 % 147.3 Labour Bureau
Aug 2025144.50 -0.2 -3.02 % 147.1 Labour Bureau
Jul 2025144.70 +0.7 -2.30 % 146.5 Labour Bureau
Jun 2025144.00 +1.8 -1.37 % 145.0 Labour Bureau
May 2025142.20 +1.7 +1.64 % 144.0 Labour Bureau
Apr 2025140.50 +0.8 +2.18 % 143.5 Labour Bureau
Mar 2025139.70 -0.9 +1.75 % 143.0 Labour Bureau
Feb 2025140.60 -5.2 +1.66 % 142.8 Labour Bureau
Jan 2025145.80 -2.7 +4.74 % 143.2 Labour Bureau
Dec 2024148.50 -1.8 - 143.7 Labour Bureau
Nov 2024150.30 +0.8 - 144.5 Labour Bureau
Oct 2024149.50 +0.5 - 144.5 Labour Bureau
Sep 2024149.00 0.0 - 143.3 Labour Bureau
Aug 2024149.00 +0.9 - 142.6 Labour Bureau
Jul 2024148.10 +2.1 - 142.7 Labour Bureau
Jun 2024146.00 +6.1 - 141.4 Labour Bureau
May 2024139.90 +2.4 - 139.9 Labour Bureau
Apr 2024137.50 +0.2 - 139.4 Labour Bureau
Mar 2024137.30 -1.0 - 138.9 Labour Bureau
Feb 2024138.30 -0.9 - 139.2 Labour Bureau
Jan 2024139.20 - - 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.