vaccines for Covid-19 -- Pune-based Serum Institute's Covishield and Bharat Biotech's Covaxin -- received emergency approval from the country's drug regulator on Sunday, Delhi Health Minister Satyendar Jain has said that healthcare and frontline workers will be vaccinated in the first phase.Speaking to news agency ANI, Jain said, "There are three lakh healthcare workers and six lakh frontline workers in Delhi who will be administered with the Covid-19 vaccine."On Saturday, the Delhi Health Minister said that coronavirus vaccines will be given for free in the national capital once it arrives in the city and confirmed that the Delhi government has made preparations for the vaccination drive."Yes, medicines and treatment are being provided for.