Please answer the following question: Information:  - Govind Nihalani (born 19 December 1940 in Karachi) is an Indian film director, cinematographer, screenwriter and producer, known for his works in Hindi cinema. He has been the recipient of six National Film Awards (India), and five Bollywood Filmfare Awards. In 1996, his script for "Drohkaal" was adapted by Kamal Hassan for its Tamil remake, "Kuruthipunal" which subsequently became India's official entry for the 68th Academy Awards Best Foreign Language Film category.  - Om Prakesh Puri (18 October 1950  6 January 2017) was an Indian actor who appeared mainly in mainstream commercial Indian films, as well as independent and art films. He is best-known for his author-backed roles in films like "Aakrosh" (1980), "Arohan" (1982) and television films like "Sadgati" (1981) and "Tamas" (1987) and also light-hearted roles in "Jaane Bhi Do Yaaro" (1983) and "Chachi 420" (1997). He had various collaborations with director Shyam Benegal and Govind Nihalani. Puri also appeared in non-Indian productions in the United States and Britain.  - Victor Banerjee (born Partho Sarathi Banerjee, 15 October 1946) is an Indian actor who appears in English, Hindi, Bengali and Assamese language films. He has worked for directors including Roman Polanski, James Ivory, Sir David Lean, Jerry London, Ronald Neame, Satyajit Ray, Mrinal Sen, Shyam Benegal, Montazur Rahman Akbar and Ram Gopal Varma.  - Arohan ( The Ascent ) is 1982 Hindi film by Shyam Benegal , starring Victor Banerjee and Om Puri in the lead roles .    What entity does 'arohan ' has the relation 'director of photography' with?
Answer:
govind nihalani