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: Office of the Economic Adviser, DPIIT - Wholesale Price Index (base 2022-23=100) - eaindustry.nic.in. Provisional figures are released on the 14th of the following month and made final two months later. Values entered by hand are highlighted and kept when you update.

WPI Purified Terephthalic Acid (PTA) [1310010007, 2022-23] Manufactured products

MonthIndexChange on previous month Change over 12 monthsWPI all commoditiesSource
Sep 2026129.50 +13.8 +49.19 % 112.5 OEA
Aug 2026115.70 +9.0 +30.59 % 110.8 OEA
Jul 2026106.70 +0.1 +21.11 % 110.0 OEA
Jun 2026106.60 -12.7 +22.11 % 110.3 OEA
May 2026119.30 -3.9 +47.10 % 110.1 OEA
Apr 2026123.20 +11.9 +50.61 % 108.9 OEA
Mar 2026111.30 +22.0 +29.27 % 104.6 OEA
Feb 202689.30 +1.6 +0.34 % 103.1 OEA
Jan 202687.70 +4.5 -0.68 % 102.3 OEA
Dec 202583.20 +1.1 -2.12 % 101.9 OEA
Nov 202582.10 -0.4 -0.85 % 101.5 OEA
Oct 202582.50 -4.3 -2.83 % 100.9 OEA
Sep 202586.80 -1.8 +0.93 % 101.0 OEA
Aug 202588.60 +0.5 -10.51 % 100.8 OEA
Jul 202588.10 +0.8 -15.69 % 100.2 OEA
Jun 202587.30 +6.2 -15.08 % 100.3 OEA
May 202581.10 -0.7 -17.24 % 100.2 OEA
Apr 202581.80 -4.3 -16.27 % 100.5 OEA
Mar 202586.10 -2.9 -9.94 % 100.6 OEA
Feb 202589.00 +0.7 -7.68 % 100.9 OEA
Jan 202588.30 +3.3 -11.52 % 101.1 OEA
Dec 202485.00 +2.2 -13.53 % 101.6 OEA
Nov 202482.80 -2.1 -17.94 % 102.1 OEA
Oct 202484.90 -1.1 -17.17 % 102.1 OEA
Sep 202486.00 -13.0 -18.10 % 101.2 OEA
Aug 202499.00 -5.5 -4.53 % 100.8 OEA
Jul 2024104.50 +1.7 +6.52 % 101.0 OEA
Jun 2024102.80 +4.8 +7.08 % 100.7 OEA
May 202498.00 +0.3 -1.11 % 100.4 OEA
Apr 202497.70 +2.1 -4.22 % 99.9 OEA
Mar 202495.60 -0.8 - 99.4 OEA
Feb 202496.40 -3.4 - 99.3 OEA
Jan 202499.80 +1.5 - 99.3 OEA
Dec 202398.30 -2.6 - 99.4 OEA
Nov 2023100.90 -1.6 - 100.1 OEA
Oct 2023102.50 -2.5 - 100.1 OEA
Sep 2023105.00 +1.3 - 99.6 OEA
Aug 2023103.70 +5.6 - 99.5 OEA
Jul 202398.10 +2.1 - 99.1 OEA
Jun 202396.00 -3.1 - 98.3 OEA
May 202399.10 -2.9 - 98.6 OEA
Apr 2023102.00 - - 99.0 OEA

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.