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 Ernakulam/Alwaye (Kerala) Kerala

MonthIndexChange on previous month Change over 12 monthsAll IndiaSource
Aug 2026159.00 -0.7 +1.53 % 154.4 Labour Bureau
Jul 2026159.70 +0.1 +2.57 % 153.2 Labour Bureau
Jun 2026159.60 +3.3 +3.50 % 151.9 Labour Bureau
May 2026156.30 +2.1 +3.58 % 150.8 Labour Bureau
Apr 2026154.20 +1.6 +3.70 % 149.9 Labour Bureau
Mar 2026152.60 +0.2 +3.18 % 149.1 Labour Bureau
Feb 2026152.40 -0.3 +3.53 % 148.5 Labour Bureau
Jan 2026152.70 +0.3 +3.74 % 148.6 Labour Bureau
Dec 2025152.40 +0.4 +4.10 % 148.2 Labour Bureau
Nov 2025152.00 -0.3 +4.90 % 148.2 Labour Bureau
Oct 2025152.30 -3.8 +5.25 % 147.7 Labour Bureau
Sep 2025156.10 -0.5 +5.76 % 147.3 Labour Bureau
Aug 2025156.60 +0.9 +6.82 % 147.1 Labour Bureau
Jul 2025155.70 +1.5 +6.57 % 146.5 Labour Bureau
Jun 2025154.20 +3.3 +4.33 % 145.0 Labour Bureau
May 2025150.90 +2.2 +5.08 % 144.0 Labour Bureau
Apr 2025148.70 +0.8 +4.50 % 143.5 Labour Bureau
Mar 2025147.90 +0.7 +5.87 % 143.0 Labour Bureau
Feb 2025147.20 0.0 +4.77 % 142.8 Labour Bureau
Jan 2025147.20 +0.8 +5.60 % 143.2 Labour Bureau
Dec 2024146.40 +1.5 - 143.7 Labour Bureau
Nov 2024144.90 +0.2 - 144.5 Labour Bureau
Oct 2024144.70 -2.9 - 144.5 Labour Bureau
Sep 2024147.60 +1.0 - 143.3 Labour Bureau
Aug 2024146.60 +0.5 - 142.6 Labour Bureau
Jul 2024146.10 -1.7 - 142.7 Labour Bureau
Jun 2024147.80 +4.2 - 141.4 Labour Bureau
May 2024143.60 +1.3 - 139.9 Labour Bureau
Apr 2024142.30 +2.6 - 139.4 Labour Bureau
Mar 2024139.70 -0.8 - 138.9 Labour Bureau
Feb 2024140.50 +1.1 - 139.2 Labour Bureau
Jan 2024139.40 - - 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.