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 Tripura (Tripura) Tripura

MonthIndexChange on previous month Change over 12 monthsAll IndiaSource
Aug 2026147.10 +1.5 +3.81 % 154.4 Labour Bureau
Jul 2026145.60 +1.3 +4.15 % 153.2 Labour Bureau
Jun 2026144.30 +0.1 +3.96 % 151.9 Labour Bureau
May 2026144.20 -1.0 +4.42 % 150.8 Labour Bureau
Apr 2026145.20 +1.3 +4.76 % 149.9 Labour Bureau
Mar 2026143.90 +0.5 +4.65 % 149.1 Labour Bureau
Feb 2026143.40 -1.4 +3.99 % 148.5 Labour Bureau
Jan 2026144.80 +1.0 +2.84 % 148.6 Labour Bureau
Dec 2025143.80 -0.8 -0.35 % 148.2 Labour Bureau
Nov 2025144.60 +1.9 -3.34 % 148.2 Labour Bureau
Oct 2025142.70 -1.2 -4.87 % 147.7 Labour Bureau
Sep 2025143.90 +2.2 -2.04 % 147.3 Labour Bureau
Aug 2025141.70 +1.9 -2.34 % 147.1 Labour Bureau
Jul 2025139.80 +1.0 -1.76 % 146.5 Labour Bureau
Jun 2025138.80 +0.7 -1.56 % 145.0 Labour Bureau
May 2025138.10 -0.5 -0.50 % 144.0 Labour Bureau
Apr 2025138.60 +1.1 -0.43 % 143.5 Labour Bureau
Mar 2025137.50 -0.4 -0.22 % 143.0 Labour Bureau
Feb 2025137.90 -2.9 -0.36 % 142.8 Labour Bureau
Jan 2025140.80 -3.5 +1.37 % 143.2 Labour Bureau
Dec 2024144.30 -5.3 - 143.7 Labour Bureau
Nov 2024149.60 -0.4 - 144.5 Labour Bureau
Oct 2024150.00 +3.1 - 144.5 Labour Bureau
Sep 2024146.90 +1.8 - 143.3 Labour Bureau
Aug 2024145.10 +2.8 - 142.6 Labour Bureau
Jul 2024142.30 +1.3 - 142.7 Labour Bureau
Jun 2024141.00 +2.2 - 141.4 Labour Bureau
May 2024138.80 -0.4 - 139.9 Labour Bureau
Apr 2024139.20 +1.4 - 139.4 Labour Bureau
Mar 2024137.80 -0.6 - 138.9 Labour Bureau
Feb 2024138.40 -0.5 - 139.2 Labour Bureau
Jan 2024138.90 - - 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.