Indian frontline indices S&P BSE Sensex and NSE Nifty50 traded in a narrow range on Thursday. Sensex traded within a 400-point range and ended the session at 60,806.22, up 142.43 points or 0.23 per cent while the broader market Nifty50, which traded in 140 point range, closed at 17,893.45, higher by 21.75 points or 0.12 per cent. Banking gauge Nifty Bank traded lackluster, managing a positive closing on the day of weekly expiry. It ended at 41,554.30, up by 16.65 points or 0.04 per cent.