New Delhi:04 Jan 21 The Serum Institute of India’s Covishield vaccine, which has got approval from the country’s drug regulator, will be commercially available at ₹ 1,000 per dose if the government allows sale in retail, company chief Adar Poonawalla has said. For the government, “We are giving it in a very special price of ₹ 200 for the first hundred million doses. Then there will be tendering and then different prices will be available