It took them a record 10 months to develop a H1N1 vaccine. Now Sharvil Patel, managing director, and his team at Zydus Cadila are trying to bring a Covid-19 vaccine by March 2021. Manu Balachandran and Divya Shekhar who have been closely following the vaccine race and India's play in it, take you behind the scenes of the ongoings at the Ahmedabad-based pharmaceutical