kya bharat biotech ne corona vaccine me gaye ke bachhde ka serum milaya hai

Covaxin Me Gaye Ke Bachhde Ke Serum Ka Upyog Hua Hai Ya Nahi , Aasaan Bhasha Me Samajhiye

Covaxin Me Gaye Ke Bachhde Ke Serum Ka Upyog Hua Hai Ya Nahi ,kya bharat biotech…