With the sharp rise of Covid-19 cases in the country, India logged 552 new cases of Omicron, taking the total tally of such infections to 3,623 across 27 states and UTs so far, according to the Union Health Ministry data updated on Sunday.
Out of the total Omicron cases, 1,409 people have migrated or recovered.
Maharashtra recorded the maximum number of 1,009 cases followed by Delhi at 513, Karnataka 441, Rajasthan 373, Kerala 333 and Gujarat 204.
A total of 1,59,632 new coronavirus infections were reported in a day, the highest in 224 days, while the active cases increased to 5,90,611, the highest in around 197 days, according to the data updated at 8 am.
The death toll climbed to 4,83,790 with 327 fresh fatalities,the data stated.
A total of 1,65,553 infections were reported on May 29 last year.
The active cases comprise 1.66 per cent of the total infections, while the national Covid-19 recovery rate decreased to 96.98 per cent, the ministry said.
An increase of 1,18,442 cases has been recorded in the active Covid-19 caseload in a span of 24 hours.
India's Covid-19 tally had crossed the 20-lakh mark on August 7, 2020, 30 lakh on August 23, 40 lakh on September 5 and 50 lakh on September 16. It went past 60 lakh on September 28, 70 lakh on October 11, crossed 80 lakh on October 29, 90 lakh on November 20 and surpassed the one-crore mark on December 19.
India crossed the grim milestone of two crore on May 4 and three crore on June 23.