Equity benchmarks extended losses in morning as the Sensex fell more than 100 points, weighed by geopolitical tensions surrounding around North Korea after its latest hydrogen bomb test.

IOC and Adani Ports were top losers among Nifty50 stocks, down 2.6 percent followed by HDFC Bank, HDFC, Infosys, L&T, IndusInd Bank, HUL, Kotak Mahindra Bank and Bharti Airtel while Coal India gained more than 2 percent after dispatch numbers.

The 30-share BSE Sensex was down 124.89 points at 31,767.34 and the 50-share NSE Nifty fell 37.00 points to 9,937.40. About 1,150 shares declined against 965 advancing shares on the BSE.