The Indian stock market benchmark indices, Sensex and Nifty 50, are likely to open lower on Monday, tracking weakness in global markets.The trends on Gift Nifty also indicate a tepid start for the Indian benchmark index. The Gift Nifty was trading around 25,060 level, a discount of nearly 18 points from the Nifty futures’ previous close.On Friday, the Indian stock market indices ended marginally lower on the back of profit-booking at higher levels.The Sensex fell 200.15 points, or 0.24%, to close at 82,330.59, while the Nifty 50 settled 42.30 points,...