The Economic Times

Former chief statistician Pronab Sen seeks two GDP series with old, new bases for five years

Advocating for dual GDP series, former chief statistician Pronab Sen argues that accurate double deflation is contingent upon extensive data on input and output prices. Following India's introduction of a new GDP series, unease surrounding the growth figures and protocols for the back series has surfaced, leading to an expected release from the NSO by December 2026.