MUMBAI: Extending losses for the third straight session, the benchmark BSE Sensex fell over 274 points in early trade on sustained selling by funds amidst weak global trend as geopolitical tensions worsened in Iraq and Russia.

Besides, fresh weakness in the rupee had negative impact.

The 30-share barometer, which had lost 319 points in the past two sessions, tanked 274.28 points, or 1.07 percent, to 25,314.73.

All the sectoral indices, led by banking, PSU and oil and gas were trading in negative zone with losses up to 1.63 percent.

Similarly, the National Stock Exchange index Nifty dipped below the 7,600-mark by falling 83.35 points, or 1.09 percent, to 7,565.90.

Brokers said a subdued trend in Asian trade on overnight losses in the U.S. markets after geopolitical tensions worsened in Iraq and Russia, dampened the trading sentiments in Mumbai.

Meanwhile, the rupee fell sharply by 38 paise to 61.60 against the U.S. dollar in early trade on Friday.

Among other Asian markets, Japan's Nikkei tumbled 3 percent, while Hong Kong's Hang Seng shed 0.33 percent in early trade.

The U.S. Dow Jones Industrial Average ended 0.46% down in trade.