New Delhi, June 1 -- India's industrial output, as measured by the Index of Industrial Production (IIP), 4.9% year-on-year in April, according to data released by the statistics ministry on Monday. The release marks the debut of the new IIP series with 2022-23 as the base year, replacing the 2011-12 series and introducing significant methodological and coverage changes.

IIP data is a vital high-frequency indicator that signals shifts in manufacturing momentum, investment demand, and overall economic growth.

The April reading is the first official estimate under the revised series, which aims to better reflect the evolving structure of India's industrial economy, emerging manufacturing segments and newer infrastructure-related activities...