The Veteran Bollywood actor-filmmaker Manoj Kumar will soon direct a film on the eminent fifth-century Indian mathematician Aryabhata. Mr. Kumar, who has recently been chosen for the prestigious Dadasaheb Phalke Award, said his team is working on script of the Film since last three years. It is a difficult subject to deal with, he said.<br/> <br/>Aryabhatta, who authored famous ?ryabha??ya and Arya-siddhanta, on Mathematics and Astronomy, is well-known for giving scientific explanation of Eclipses, finding value of 'pi' and influencing the birth of trigonometry among his other works.