Record 6,977 new Covid-19 cases in India in last 24 hours; death toll climbs to 4,021

India registered its biggest single-day spike of Covid-19 cases for the fourth consecutive day on Monday with 6,977 new infections reported in the last 24 hours, taking the country's tally to 1,38,845. The death toll has risen to 4,021, according to the union health ministry. A total of 154 deaths were reported in the last 24 hours till Monday 8 am.