A benchmark index of Indian equities markets Thursday closed 321.94 points, or 1.31 percent, down as IT stocks plunged.
Heavy selling was seen in IT, capital goods, banking, oil and gas, technology, media and entertainment (TECK) and metal sectors.
The 30-scrip Sensitive Index (Sensex) of the S&P Bombay Stock Exchange (BSE), which opened at 24,523.13 points, ended the day's trade at 24,234.15 points (provisional) -- down 321.94 points or 1.31 percent from the previous day's close at 24,556.09 points.
The Sensex touched a high of 24,528.20 points and a low of 24,206.50 points in trade.
The wider 50-scrip Nifty of the National Stock Exchange (NSE) ended trade 94 points or 1.28 percent down at 7,235.65 points.