India extended its coronavirus lockdown to the end of May on Sunday as it reported its biggest single-day jump in cases, but said some sectors would be permitted to open up as its economy takes a hammering.

The lockdown affecting 1.3 billion people -- the world's largest -- has been in force since late March and has been devastating for India's poor, with millions of migrant workers losing their jobs.

"Lockdown measures to contain the spread of COVID-19 will continue for a period of up to (May 31)," the Home Affairs Ministry said in a statement.

Restaurants will now be allowed to operate their kitchens for takeaway services while sports complexes and stadiums are permitted to host events, but without spectators.

The lockdown extension came as India recorded its biggest single-day jump in virus cases with 4,987 new infections in the last 24 hours.