The death toll due to  COVID-19 rose to 4,337 and the total number of cases climbed to 1,51,767 in India, registering an increase of 170 deaths and 6,387 cases in the last 24 hours, the Union health ministry of India said on Wednesday. The number of active coronavirus cases stands at 83,004, while 64,425 people have recovered and one patient has migrated, it said. Around 42.45 per cent patients have recovered so far.