Omicron variant of COVID-19 on Sunday - nine persons in Rajasthan capital Jaipur, seven in Maharashtra's Pune district and a fully vaccinated man who arrived in Delhi from Tanzania.
Most of those who tested positive either recently arrived from African countries or were in contact with such people. With this, four states and the national capital have now reported cases of the potentially more contagious variant which has sparked a fresh alert across the world.
The first two cases of Omicron in India were reported from Karnataka last week. The other two cases were detected in Gujarat and Maharashtra.
Omicron, first detected in South Africa on November 25, has been described as a "variant of concern" by the WHO. India Omicron Covid tally