The 30-share index was trading down by 136.92 points, or 0.48 percent, at 28,332.75 as stocks of infrastructure, power, auto and FMCG sectors, witnessed heavy profit-booking.
On similar lines, the National Stock Exchange index Nifty slipped below the 8,600-mark by falling 44.90 points, or 0.51 percent, at 8,589.75.
Meanwhile, Foreign Portfolio Investors (FPIs) bought shares worth a net Rs 1,428.72 crore on Thursday, as per provisional data released by the stock exchanges.
Among other Asian markets, Hong Kong's Hang Seng was down by 0.21 percent, while Japan's Nikkei rose 0.08 percent in early trade on Friday.
The US Dow Jones Industrial Average ended 0.65 percent lower in Thursday's trade.

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