The total number of COVID-19 cases in India on March 28 crossed 900 with over 180 fresh cases as well as 2 deaths being reported during the day, the highest single-day increase so far as per Union Health Ministry data. Meanwhile, on Day 4 of the national lockdown images continue to pour in of thousands of migrant labourers who have lost their daily sustenance and are now trying to walk several hundred kilometres back to their villages. Guests: Jacob Koshy, Deputy Science Editor, The Hindu; Suhasini Haidar, National Editor, The Hindu