Serum Institute of India CEO Adar Poonawalla told NDTV in an exclusive chat that he has ensured that India gets the priority when it comes to the Covishield vaccine. He added that SII has supplies going out in the next 2-3 weeks to 30 countries. He added that India's vaccine supplies will not be at the cost of exports. NDTV reports from the Serum Institute of India.