Answer of this question "Which of the statements is NOT correct?", here are 4 choices for this question : Ali Mardan Khan introduced the system of revenue farming in Bengal , Maharja Ranjit Singh set up modern foundries to manufactur cannons at Lahore , Sawai Jai Singh of Amber ahd Euclid's Elements of Geometry translated into Sanskrit, Sultan Tipu of Mysore gave money for the construction of the idol of Goddess Sarda in Shringeri Temp. Answer Is "Ali Mardan Khan introduced the system of revenue farming in Bengal ".