India reports 97,000 new coronavirus cases today, a day after reporting over 1 lakh cases; A 10 pm to 5 am night curfew will be enforced in Delhi till April 30; The Serum Institute - manufacturers of the Covishield vaccine - needs around Rs 3,000 crore and three months to scale up production, CEO Adar Poonawalla told NDTV Tuesday evening; and other top news of the day.