The manufacturing sector, hit hardest by the national lockdown over April 2020, recorded a 197.1% uptick this April, though it was still 0.9% lower than April 2019 levels
The IIP had grown by 2.1% in November 2019.
Industrial production had plunged 18.7% in March last year following the COVID-19 outbreak and remained in the negative zone till August 2020.
With the resumption of economic activities, factory output posted a flat growth of 0.48% in September.
The IIP growth for October has been revised upwards to 4.9 per cent from last month s provisional estimates of 3.6%.
The government had imposed a lockdown to contain the spread of COVID-19 infections on March 25, 2020.
With the gradual relaxation of restrictions, there has been a relative improvement in the economic activities by varying degrees as well as in data reporting, the Ministry of Statistics and Programme Implementation had said in a statement issued in November.