Covid-19: India crosses 2 lakh case mark, multiple layer masks better than single

Hindustan Times' National Political Editor, Sunetra Choudhury brings you the top stories you need to know. Sunetra talks about the number of covid-19 cases in India, how India stands compared to rest of the world, a Lancet study which points out the effectiveness of multi-layered masks and more. Watch the full video for more details.