Ranjan is a cinematographer who has also directed and co-directed several documentary films. He has worked for the BBC and UNICEF. His film ‘Voices from Baliapal’ won the National Award in 1989, the Golden Conch (1990) and the City of Freiburg Award (1991). ‘The Magic Mystic Marketplace’, won the Golden Conch (1996) and the UNESCO Prize (1997).