Nifty, Sensex today: Benchmark indices— Sensex and Nifty—witnessed a robust rally on Tuesday as D-street sentiment turned positive owing to favourable macros. BSE Sensex surged by over 1,130 points or 1.53%, to conclude the trading session at 75,301 level mark. NSE Nifty surpassed the key 22,800 level mark, surging by over 325 points or 1.45%.