The first recipient of the award , S. L. Puram Sadanandan , was presented with a plaque and 5000 cash prize . The award was revised in 1973 at the 21st ceremony to include 10,000 cash , a silver medal and a certificate . It was shared by Mrinal Sen and Ashish Burman for their Bengali film '' Padatik '' . At the 54th awarding ceremony in 2006 , the next revision of the award was declared to include cash remuneration of 50,000 which was presented to Abhijat Joshi , Rajkumar Hirani and Vidhu Vinod Chopra for their Hindi film '' Lage Raho Munna Bhai '' in which Mahatma Gandhi 's philosophy of non-violence was depicted
54th awarding ceremony
54th National Film Awards
National Film Award for Best Screenplay