The output of eight core infrastructure industries shrank by a record 38.1 per cent in April due to the coronavirus lockdown, according to the official data.
The eight core sectors had expanded by 5.2 per cent in April 2019, the data released by the Commerce and Industry Ministry on Friday showed.
In March this year, the production of eight sectors -- coal, crude oil, natural gas, refinery products, fertiliser, steel, cement, and electricity -- had contracted by 9 per cent.
"In view of nationwide lockdown during April 2020 due to COVID-19 pandemic, various industries - Coal, Cement, Steel, Natural Gas, Refinery, Crude Oil etc experienced substantial loss of production," the ministry said in a statement.