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 Munger-Jamalpur (Bihar) Bihar

MonthIndexChange on previous month Change over 12 monthsAll IndiaSource
Aug 2026157.10 +2.7 +3.36 % 154.4 Labour Bureau
Jul 2026154.40 +1.9 +3.00 % 153.2 Labour Bureau
Jun 2026152.50 -0.8 +2.49 % 151.9 Labour Bureau
May 2026153.30 +0.6 +3.16 % 150.8 Labour Bureau
Apr 2026152.70 +0.8 +1.80 % 149.9 Labour Bureau
Mar 2026151.90 +0.8 +1.95 % 149.1 Labour Bureau
Feb 2026151.10 -0.6 +1.89 % 148.5 Labour Bureau
Jan 2026151.70 +1.4 +3.69 % 148.6 Labour Bureau
Dec 2025150.30 -0.9 +1.42 % 148.2 Labour Bureau
Nov 2025151.20 +1.1 +0.67 % 148.2 Labour Bureau
Oct 2025150.10 -0.3 -0.33 % 147.7 Labour Bureau
Sep 2025150.40 -1.6 +0.87 % 147.3 Labour Bureau
Aug 2025152.00 +2.1 +2.22 % 147.1 Labour Bureau
Jul 2025149.90 +1.1 +1.97 % 146.5 Labour Bureau
Jun 2025148.80 +0.2 +2.76 % 145.0 Labour Bureau
May 2025148.60 -1.4 +2.70 % 144.0 Labour Bureau
Apr 2025150.00 +1.0 +3.88 % 143.5 Labour Bureau
Mar 2025149.00 +0.7 +3.98 % 143.0 Labour Bureau
Feb 2025148.30 +2.0 +4.14 % 142.8 Labour Bureau
Jan 2025146.30 -1.9 +2.31 % 143.2 Labour Bureau
Dec 2024148.20 -2.0 - 143.7 Labour Bureau
Nov 2024150.20 -0.4 - 144.5 Labour Bureau
Oct 2024150.60 +1.5 - 144.5 Labour Bureau
Sep 2024149.10 +0.4 - 143.3 Labour Bureau
Aug 2024148.70 +1.7 - 142.6 Labour Bureau
Jul 2024147.00 +2.2 - 142.7 Labour Bureau
Jun 2024144.80 +0.1 - 141.4 Labour Bureau
May 2024144.70 +0.3 - 139.9 Labour Bureau
Apr 2024144.40 +1.1 - 139.4 Labour Bureau
Mar 2024143.30 +0.9 - 138.9 Labour Bureau
Feb 2024142.40 -0.6 - 139.2 Labour Bureau
Jan 2024143.00 - - 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.