The NSE Nifty index closed 231.9 points down at 19901.4, while BSE Sensex ended down 796.0 points at 66800.84.
On the other hand, HDFC Bank Ltd.(down 4.01 per cent), JSW Steel Ltd.(down 2.73 per cent), Reliance Industries Ltd.(down 2.23 per cent), Bharat Petroleum Corporation Ltd.(down 2.16 per cent) and SBI Life Insurance Company Ltd.(down 2.07 per cent) were among the top losers of the day.