Market Sensex, Nifty start on a weak note; HDFC twins, RIL, Kotak Bank weigh on indices Updated : February 20, 2020 09:41 AM IST The benchmark 30-share S&P BSE Sensex started 63 points lower. The broader 50-share NSE Nifty50 dipped over 25 points. Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.