Ranjan has received multiple national awards, including two for
best cinematography, as well as awards for
best film on social issues and
best narration. He is a two-time winner (1990, 1996) of the Golden Conch Award for best documentary film at the
Mumbai International Film Festival (MIFF), in addition to several international awards. In 2021, he received a lifetime achievement award for documentary filmmaking at the
International Documentary and Short Film Festival of Kerala (IDSFFK). Ranjan conducts classes on cinematography and documentary filmmaking, including at the
Film and Television Institute of India (FTII) and the
Satyajit Ray Film & Television Institute (SRFTI). He has shot more than 100 documentaries and 20 feature films, in addition to numerous advertisements. He earned his diploma in cinematography from
FTII in 1982. ==Personal==