Active coronavirus cases in India increased by 4,421 in 24 hours - a spike of three per cent - to go back over the 1.5 lakh mark for the first time in 17 days and register the steepest increase since end-November. On November 27 the active caseload was 4,55,555 - an increase of 3.85 per cent from the 4,38,667 recorded on November 24.