Poonawalla in March 2021 had informed that the clinical trials for COVOVAX vaccine are underway in India and the vaccine will be launched by September 2021. Read all you need to know.
source https://www.jagranjosh.com/current-affairs/covid19-vaccine-serum-institute-manufactures-first-batch-of-covovax-says-adar-poonawalla-1624650124-1