New Delhi, Jan. 14 -- The country's mega vaccination drive against coronavirus will begin on Saturday with Prime Minister Narendra Modi virtually giving it a start.

As many as 3 lakh frontline healthcare workers will be inoculated at 2,934 sites across India on day one of the massive nationwide Covid-19 inoculation drive, which is set to begin on 16 January.

"This is the biggest vaccination drive in India so far and it has been decided to vaccinate about 3 lakh healthcare workers at 2934 sites," a senior government official told news agency ANI on Wednesday.

Each vaccination session will cater to a maximum of 100 beneficiaries and the Union Health Ministry has advised states not to organise "unreasonable numbers of vaccination per site...