Here are five things to know:
At 2:39 pm, the Sensex traded at 37,833.04, down 238.09 points - or 0.63 per cent - from its previous close, while the Nifty was down 75.90 points - or 0.68 per cent - at 11,126.95.
Bharat Petroleum, IndusInd Bank, Indian Oil, Power Grid and Axis Bank - down between 2.86 per cent and 7.57 per cent - were the worst among the 36 stocks in the 50-scrip Nifty basket that moved lower at the time.
On the other hand, Dr Reddy's Laboratories, Wipro, Maruti Suzuki, Sun Pharma and Infosys - trading between 1.09 per cent and 4.79 per cent higher - were the top Nifty gainers.
HDFC, ICICI Bank and HDFC Bank were the top drags on the Sensex, accounting for a loss of more than 150 points in the index.
In India, COVID-19 cases rose by over 50,000 in the last 24 hours, and touched 1.58 million by Thursday morning, government data showed, with the country easing restrictions such as the night-time curfew and allowing gyms to open from next month.
