The second covid wave has it us hard in the year 2021 but in this same year India started its vaccination program. There were two vaccines- Covishield and Covaxin that were approved in India and were given to the citizens. Recently, a Russian vaccine got approved, it is called Sputnik V and will probably be available from the next quarter. As there are two vaccines available and another will be in few months. People are really concerned about which one is safe and which is not. Although there is no choice given to citizens about which vaccine they would like...