Natural History Unit India

NHUI works exclusively of wild life programming showcasing the stunning wild diversity of India's forests





Clash of tigers

NatGeoChannel – 1x 44 min: Production, Direction & Cinematography A tiger mother called Krishna faces unusual challenges while raising her family of 4 cubs in the Ranthambhore National Park of Western India.

The World’s Most Famous Tiger

NatGeoChannel – 1x 44 min: Production, Direction & Cinematography This is the story of the legendary tigress Machli, queen of the Ranthambore Fort and lake area of Rajasthan, India documenting her from her prime to her death.


Best Cinematography – National Film Awards 2012 (President Award)
Best Environmental Film – National Film Awards 2012 (President Award)
Best Exploration/ Adventure Film - National Film Awards 2015 (President Award) for Grey Films India Pvt Ltd
Best Exploration/ Adventure Film - National Film Awards 2015 (President Award) for S.Nallamuthu
Gold World Medal for BestDocumentary and Information Programming at the New York Festival International Film and Television Awards 2015
Silver Medal for Audio Mixing at TIVA peers award 2014
Special Jury Award at 5th National Science Film Festival & Competition 2015, India
City of VAASA & The Regional Council of Ostrobothnia Award at Vaasa Film Festival, Finland 2012
John Muir Film Award, Yosemite Film Festival, USA 2012
Technical and creative excellence Award for Best Cinematography and Bio Diversity Award. for the CMS Vatavaran Festival 2014
Winner of the Best Cinematography Award at the Jaipur International Film Festival, January 2011

Our Services

Film Production

We are one of India successful independent production houses, prolific across a broad range of genres in motion pictures, documentaries and television broadcast programming, including adventure, archaeology, culture, environment and wildlife, health, history, reality, religion, society, science and technology.

Co Production

We have co produced with agencies and broadcasters such as National Geographic, on projects such as "Tiger Queen", "Tigers Revenge" and "The Worlds Most Famous Tiger", and are open to co production.

Post Production

Hundreds of hours of footage is processed, edited and stored daily using state of the art technology. We keep ourselves technically updated to produce crisp quality content.

Technical Support

Grey Films also gives out shooting equipment for rent including cameras like Sony F-55, with a set of superior quality lenses, gimbals, cranes, helicams and much more. We also provide machines for archival storage such as LTO and Sony Optical Disc Archive.


Natural History Unit india
Second floor, 'SUBHASH' building,
Venkatarathinam nagar extn 2nd street
Adyar, chennai - 600020

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