Healthcare Covaxin: Expert committee approves phase 3 trials of Bharat Biotech COVID-19 vaccine candidate Updated : October 22, 2020 10:16 PM IST Bharat Biotech now needs to submit a completed protocol to the drug regulator Drug Controller General of India (DCGI) for final approval. Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.