Diffusion (headline): 2% to 4% Original
Share of the whole CPI basket with inflation 2% to 4%. Monthly, per cent. Latest: 28.67 (Sep 2026).
Level
per cent
About this series
| Series id | cpi_diffusion_headline_2to4 |
| Source | MoSPI; site calculation: CPI (base 2024) items with recovered weights |
| Coverage | Jan 2026 to Sep 2026 (9 observations) |
| Release | with the national CPI release |
| Updated by | Daily automated pipeline · pipelines/sources/derived/cpi_underlying.py |
| Licence | Open government data (NDSAP / GODL-India): free to reuse with attribution |
| Notes | Weighted share (%) of the whole CPI basket whose items' y/y inflation is 2% to 4% (RBI MPR Box IV.1 diffusion index). From January 2026. Matches RBI's published values to rounding; method in docs/guidebook/08-original-measures.md. |
| Checked against the official release | Not yet. Values come straight from the publisher, but no one has yet compared them with the press release. |
Download and cite
Download CSV Columns: period, value, vintage (date we first recorded the value), note.
Cite: India Macro-Finance Tracker (2026). Share of the whole CPI basket with inflation 2% to 4% [cpi_diffusion_headline_2to4]. Retrieved 2 Nov 2026. Original source: MoSPI; site calculation.
Latest observations
| Period | Value | Note |
|---|---|---|
| Sep 2026 | 28.67 | site calculation (Original); item weights in registry/weights/cpi2024_items.csv |
| Aug 2026 | 36.63 | site calculation (Original); item weights in registry/weights/cpi2024_items.csv |
| Jul 2026 | 37.62 | site calculation (Original); item weights in registry/weights/cpi2024_items.csv |
| Jun 2026 | 36.35 | site calculation (Original); item weights in registry/weights/cpi2024_items.csv |
| May 2026 | 41.63 | site calculation (Original); item weights in registry/weights/cpi2024_items.csv |
| Apr 2026 | 35.71 | site calculation (Original); item weights in registry/weights/cpi2024_items.csv |
| Mar 2026 | 38.99 | site calculation (Original); item weights in registry/weights/cpi2024_items.csv |
| Feb 2026 | 43.99 | site calculation (Original); item weights in registry/weights/cpi2024_items.csv |
| Jan 2026 | 34.10 | site calculation (Original); item weights in registry/weights/cpi2024_items.csv |
Revisions
No revisions recorded since this series was added. When the publisher revises a past value, the old and new values appear here.