Tracking global markets, the Bombay Stock Exchange benchmark Sensex on Monday fell by over 136 points in early trade on selling by funds.
The 30-share index, which had lost 343.58 points in the previous session, fell further by 136.13 points to 16,600.94 in the first five minutes of trade.
Similarly, the wide-based National Stock Exchange index Nifty was down by 58.15 points to 4,924.45.
Marketmen said weakening trends in the global markets mainly dampened the trading sentiments here, triggering selling by funds.
Major losers were Larsen and Toubro, ICICI Bank, Reliance Energy, State Bank of India, Tata Steel, Reliance Industries, Reliance Petroleum, Grasim and ITC Ltd.