WPI Base Revision & the Move to PPI

DPIIT rebased the Wholesale Price Index from 2011-12 to 2022-23 in June 2026, widening the item basket and, for the first time, publishing companion Producer Price Indices alongside it. The base revision closes out a project that began in 2019 under a working group chaired by NITI Aayog member Ramesh Chand, whose brief was to fix WPI's dated weights and chart a path to a PPI. WPI itself will keep running for five more years before retiring in favour of PPI — and the same modernisation wave has already reset the CPI-AL/RL series to base 2019, part of a broader push to update the base years behind India's price and output statistics.