Recording its biggest single-day crash in more than four years, benchmark equity indices Sensex and Nifty tanked nearly 6 per cent on Tuesday as election result trends showed the BJP missing the clear majority mark in the Lok Sabha polls. Losing its sharp gains of over 3 per cent on Monday, the BSE Sensex plunged 4,389.73 points or 5.74 per cent to close at a two-month low of 72,079.05. During the intraday trade, the benchmark fell 6,234.35 points or 8.15 per cent to touch a nearly 5-month low level of 70,234.43. The NSE Nifty50 fell 1,982.45 points or 8.52 cent to 21,281.45 during the day trade. It settled 1,379.40 points or 5.93 per cent down at 21,884.50 on Tuesday. Previously, Sensex and Nifty has fell around 13 per cent on March 23, 2020 when lockdown was imposed due to the Covid-19 pandemic.