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 2011-12=100) - eaindustry.nic.in. The OEA stopped this series after April 2026. Later months are linked: the 2022-23 index of the same item multiplied by a linking factor - the OEA's own factors for All commodities (1.53), Primary articles (1.71), Fuel & power (1.65) and Manufactured products (1.44), and for other items the ratio of the geometric means of their FY 2024-25 indices in the two series, the method the OEA used. Items with no clear successor in the new series are not linked; use the 2022-23 series for them. Values entered by hand are highlighted and kept when you update.
WPI Copper Concentrate [1103010006] Primary articles
Linked values: from May 2026 = WPI 2022-23 [1103010006] x 2.3708 (item linking factor, ratio of FY 2024-25 geometric means).
| Month | Index | Change on previous month | Change over 12 months | WPI all commodities | Source |
|---|---|---|---|---|---|
| Sep 2026 | 403.70 | -15.0 | +41.01 % | 172.1 | linked (2022-23 × 2.3708) |
| Aug 2026 | 418.70 | +22.8 | +48.42 % | 169.5 | linked (2022-23 × 2.3708) |
| Jul 2026 | 395.90 | +48.6 | +42.41 % | 168.3 | linked (2022-23 × 2.3708) |
| Jun 2026 | 347.30 | +21.6 | +29.16 % | 168.8 | linked (2022-23 × 2.3708) |
| May 2026 | 325.70 | +22.7 | +21.21 % | 168.5 | linked (2022-23 × 2.3708) |
| Apr 2026 | 303.00 | -6.6 | +12.47 % | 167.6 | OEA |
| Mar 2026 | 309.60 | 0.0 | -0.61 % | 161.2 | OEA |
| Feb 2026 | 309.60 | -1.5 | +16.00 % | 158.4 | OEA |
| Jan 2026 | 311.10 | -10.4 | +16.21 % | 157.6 | OEA |
| Dec 2025 | 321.50 | +3.2 | +20.41 % | 157.2 | OEA |
| Nov 2025 | 318.30 | +8.2 | +18.37 % | 156.2 | OEA |
| Oct 2025 | 310.10 | +23.8 | +14.85 % | 155.1 | OEA |
| Sep 2025 | 286.30 | +4.2 | +6.59 % | 155.0 | OEA |
| Aug 2025 | 282.10 | +4.1 | +4.87 % | 155.2 | OEA |
| Jul 2025 | 278.00 | +9.1 | +8.09 % | 154.4 | OEA |
| Jun 2025 | 268.90 | +0.2 | -2.29 % | 153.7 | OEA |
| May 2025 | 268.70 | -0.7 | -1.18 % | 153.7 | OEA |
| Apr 2025 | 269.40 | -42.1 | +0.37 % | 154.2 | OEA |
| Mar 2025 | 311.50 | +44.6 | +16.97 % | 154.8 | OEA |
| Feb 2025 | 266.90 | -0.8 | +0.45 % | 154.9 | OEA |
| Jan 2025 | 267.70 | +0.7 | +1.10 % | 155.0 | OEA |
| Dec 2024 | 267.00 | -1.9 | - | 155.7 | OEA |
| Nov 2024 | 268.90 | -1.1 | - | 156.4 | OEA |
| Oct 2024 | 270.00 | +1.4 | - | 156.7 | OEA |
| Sep 2024 | 268.60 | -0.4 | - | 154.7 | OEA |
| Aug 2024 | 269.00 | +11.8 | - | 154.4 | OEA |
| Jul 2024 | 257.20 | -18.0 | - | 155.3 | OEA |
| Jun 2024 | 275.20 | +3.3 | - | 154.0 | OEA |
| May 2024 | 271.90 | +3.5 | - | 153.5 | OEA |
| Apr 2024 | 268.40 | +2.1 | - | 152.9 | OEA |
| Mar 2024 | 266.30 | +0.6 | - | 151.4 | OEA |
| Feb 2024 | 265.70 | +0.9 | - | 151.2 | OEA |
| Jan 2024 | 264.80 | - | - | 151.2 | 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.