The Indian equity benchmarks surged for sixth session in a row and clocked another session of record highs on Monday, as a budget-inspired rally continued, with banking, auto and metal shares leading the broad-based rally. The benchmarks staged a gap up opening and held on to gains wherein the Sensex rose as much as 792 points to hit record high of 51,523.38 and Nifty 50 index closed above its important psychological level of 15,000 for the first time. The Sensex has surged a whopping 11.31 per cent and Nifty 50 index has climbed 11.2 per cent since the Budget was presented last Monday.