The Bombay Stock Exchange benchmark Sensex lost 115 points in opening trade on Monday on increased selling in banking, IT and metal stocks amid weak global cues.
The 30-share index, which had lost over 781 points in the previous four trading sessions, declined by 115.80 points, or 0.68 per cent, to 16,859.68 points in the morning trade.
The wide-based National Stock Exchange index Nifty drifted down by 42.65 points, or 0.75 per cent, to 4,993.35.
Brokers said weak trends on the other Asian bourses mainly dampened the trading sentiments in Mumbai, triggering selling by foreign funds.
Heavyweight Reliance Industries fell by 0.13 per cent to Rs 1,051.80, Infosys by 1.68 per cent to Rs 2,529.90, Tata Consultancy Services by 0.81 per cent to Rs 749, Wipro by 1.27 per cent to Rs 691, Sterlite by 1.56 per cent to Rs 806 and Tata Steel by 0.43 per cent at Rs 621.80.
The Hong Kong's Hang Seng index was down 1.24 per cent, while Japan's Nikkei fell by 1.20 per cent in the morning trade on Monday.