After hitting a low of 30,634.41, the 30-share index was trading 822.45 points or 2.60 per cent lower at 30,825.55.
Similarly, the NSE Nifty tanked 235.05 points, or 2.54 per cent, to 9,026.80.
Maruti was the top laggard in the Sensex pack, sinking up to 7 per cent, followed by Tata Steel, IndusInd Bank, Bajaj Finance, Axis Bank, ICICI Bank and ONGC.
On the other hand, Sun Pharma, Nestle India, HUL, Asian Paints and ITC were the gainers.
In the previous session, the BSE barometer ended 59.28 points or 0.19 per cent higher at 31,648, while the Nifty was down 4.90 points or 0.05 per cent at 9,261.85.
Foreign portfolio investors were net sellers in the capital market on Monday, as they offloaded equity shares worth Rs 265.89 crore, according to provisional exchange data.
According to traders, domestic market plunged following selloff in global equities as rout in crude market hit investor sentiment world over.
With space to store oil scarce, US benchmark West Texas Intermediate (WTI) for May delivery plunged to -$37.63 a barrel ahead of Tuesday's close for futures contracts -- when traders who buy and sell the commodity for profit would have had to take physical posession of it.
US oil prices rebounded back above zero on Tuesday. WTI crude for May delivery was changing hands at USD 0.56 a barrel in New York.
On Wall Street, stocks crashed after US oil prices turned negative on Monday for the first time ever.
Bourses in Shanghai, Hong Kong, Tokyo and Seoul were trading with heavy losses in early deals.
Further, concerns over mounting Covid-19 cases also kept investors jittery, traders said.
The death toll due to the pandemic rose to 590, while the number of cases in the country climbed to 18,601.
Global tally of the infections has crossed 24.7 lakh, with over 1.70 lakh deaths. ANSANS