The Indian benchmark indices have nose-dived deep for the seventh consecutive trading session as geopolitical tension between Russia and Ukraine escalated. All the sectoral indices on the NSE and BSE were in the red with PSU Bank, realty, media and auto stocks losing the most. As per the provisional closing data, the barometer index, the S&P BSE Sensex, tumbled 2,702.15 points or 4.72 per cent at 54,529.33.