Covid in India: How do you vaccinate 1.3 billion people?

India has the world's second highest number of Covid-19 infections. The country is set to approve the use of the new Covid vaccines soon. But how do you vaccinate 1.3 billion people?

Video by Arunoday Mukharji, Pritam Roy and Pooja Agarwal

Read more: India plans to 'begin Covid vaccination in January'