India's COVID-19 tally reached 19,557,457 on Sunday, with a single day spike of 392,488 cases, said the federal health ministry.
As many as 3,689 deaths were recorded since Saturday morning, taking the total death toll to 215,542.
There are a total of 3,349,644 active cases in the country, with an increase of 80,934 through Saturday, while 15,992,271 people have been cured and discharged from hospitals so far across the country.
The COVID-19 figures continue to peak in the country, but the federal government has ruled out imposing a complete lockdown. The capital Delhi has been put under a second successive week-long lockdown till May 3.
Delhi, one of the most COVID-19 affected places in the country, witnessed over 25,219 new cases and 412 deaths through Saturday. As many as 16,559 people have died in the national capital due to COVID-19, confirmed Delhi's health department.
Meanwhile, a total 290,142,339 COVID-19 tests have been conducted in India till Saturday, out of which 1,804,954 tests were conducted on Saturday alone, according to the latest data issued by the Indian Council of Medical Research on Sunday.
The third phase of vaccination for people aged above 18 in India began on Saturday. So far over 156 million vaccination doses have been administered in India since the country kicked off its nationwide inoculation drive in January.
Two types of vaccines are being administered to the people in India, including the Covishield vaccine made by the Serum Institute of India and the Covaxin vaccine made by Bharat Biotech International Limited.
India received the first batch of the Russian-made Sputnik-V vaccine on Saturday.