John entered film industry by writing the screenplay for the Tamil film '' Jayasree '' . His first directorial venture was '' Janmabhoomi '' which was released on 1969 . The film won Nargis Dutt Award and Kerala State Film Award . In 1977 , he directed '' Samadhi '' , a documentary film about B. K. S. Iyengar to help a cinematography student . The film won him Rajat Kamal for Best Experimental Film at 25th National Film Awards
25th National Film Awards
25th National Film Awards
John Sankaramangalam