In a dramatic start to the trading week, Indian benchmark indices witnessed a massive sell-off on Monday, April 7, as fears of a global trade war triggered a steep fall in equities worldwide. The BSE Sensex plummeted 3,379.19 points or 4.48% to open at ₹71,985.50, while the Nifty 50 dropped 901.05 points or 3.93% to ₹22,003.40, marking their worst …