The Indian equity benchmarks crashed on Monday mirroring losses in other global markets after Russia-Ukraine war intensified. Globally, the price of oil jumped more than $10 a barrel and shares were sharply lower Monday as the conflict in Ukraine deepened amid mounting calls for harsher sanctions against Russia. The Sensex fell as much as 1,736 points or 3.1 per cent and Nifty 50 index dropped 451 points o hit an intraday low of 15,794.