A key test of their unity would be on Sunday, at a protest rally in Delhi to which AAP has invited all opposition parties
The world's second-most populous country also has the world's second-highest caseload, behind the United States, which has 8.3 million infections so far.
Deaths in India have been relatively low, with 117,306 mortalities from the coronavirus, out of which 690 were reported in the last 24 hours, the ministry said.