Covishield production in full swing, will return to India in few days, says SII's Adar Poonawalla fr Covishield production in full swing, will return to India in few days, says SII's Adar Poonawalla from London Serum Institute's Adar Poonawalla, who is currently in the UK to meet his family members, has said he will return to India in a few days. The SII CEO also has said that the production of Covid vaccine Covishield is in full swing in Pune and that he will review the operations once he is back in India. advertisement UPDATED: May 2, 2021 09:55 IST Adar Poonawalla of the Serum Institute of India, which manufactures the AstraZeneca Covid vaccine. (File Pohoto)