On Tuesday, mayhem in oil markets led to the crashing of Indian benchmark indices as Sensex plunged by 3.20 per cent which is 1,011.29 points to the level of 30,636.71 while, Nifty dipped by 3.03 per cent which is 280.40 points to be at the level of 8,981.45. In Sensex, 27 out of 30 stocks closed in red and only three stocks ended Tuesday market stir in green. Volatility index-India VIX jumped by more than four per cent to 45.34 level.