India, July 17 -- The Centre is set to unveil a revamped Index of Core Industries (ICI) on July 20, introducing a new base year of 2022-23 and adding iron ore as the ninth core sector. The revised index, prepared by the Office of the Economic Adviser under the Department for Promotion of Industry and Internal Trade (DPIIT), will replace the existing series based on 2011-12, marking the first major overhaul of the index in more than a decade.

The updated ICI is designed to better reflect the current structure of India's industrial economy. Along with the revised methodology, the government will release provisional core sector data for June 2026 and a historical back series covering the period from April 2023 to May 2026.

The inclusion of...