Benchmark equity indices settled at new record high levels on Monday following buying in PSU Bank shares and fresh foreign fund inflows. The BSE Sensex gained 145.52 points or 0.18 per cent to settle at a new record high of 80,664.86. The NSE Nifty rallied 84.55 points or 0.35 per cent to settle at an all-time closing high of 24,586.70. Majority of sectors ended in green with buying seen in PSU Bank, Oil & Gas, Realty, and Healthcare.