New Delhi, July 20 (IANS) Low-budget satire 'Tere Bin Laden' that released Friday, grossed over Rs 50crore in its opening weekend and gave tough competition to the Sanjay Dutt-Bipasha Basu starrer 'Lamhaa' and first time director Vikramaditya Motwane's 'Udaan' that also released on the same day.