If vaccine escape mutants arise, then herd immunity mayn't be achieved even if a large section gets vaccinated.
771 COVID-19 variants of concerns (VOCs) have been detected in the country so far.
The daily new cases touched a new low on Tuesday with less than 16,500 daily new cases, the lowest in 187 days.
The country's active caseload stood at 2,81,667.
Kerala leads the new confirmed COVID-19 tally with 6,491 new cases. Maharashtra has reported 6,159 new cases, while Delhi registered another 5,246 new cases in a span of 24 hours.
A total of 480 new fatalities, including 121 from Delhi alone, were reported on Monday.
The death toll in the country, according to the Health Ministry's latest updates, also mounted to 1,33,738 as 511 more fatalities were reported in a span of 24 hours.
A total of 45,209 new COVID-19 cases were reported on Saturday.
The country's COVID-19 tally rose to 9,050,598 with 46,232 new cases while the death count mounted to 132,726 with 564 more deaths.
The total number of COVID-19 cases in India is 65,49,374 as 75,829 more people were confirmed positive for COVID-19 in a span of 24 hours.
As many as 1069 deaths were recorded in the span of a day.
A total of 1,095 deaths were reported across the country in a span of a day, pushing the total toll to 99,773, the Health Ministry said.
The total number of Covid-19 cases in India is 63,12,585.
The total number of COVID-19 cases in India is 61,45,292, including 9,47,576 active cases and 51,01,398 cured/discharged/migrated cases.
As many as 19,148 new cases were reported across the country in a span of 24 hours.
The total confirmed COVID-19 cases in India now stand at 8,20,916. The number includes 2,83,407 active cases and 5,15,386 recovered cases.
Maharashtra is the worst-hit state with 1,80,298 cases, followed by Tamil Nadu with 94,049 cases and Delhi with 89,802 cases.