Santosh Sivan is an Indian cinematographer, film director, producer and actor known for his works in Malayalam, Tamil and Hindi cinema. Santosh graduated from the Film and Television Institute of India and has to date completed 55 feature films and 50 documentaries. He is regarded as one of India's finest and best cinematographers. He is the recipient of twelve National Film Awards, six Filmfare Awards, four Kerala State Film Awards, and three Tamil Nadu State Film Awards.

Halo is a 1996 Indian drama film directed by Santosh Sivan. It tells the story of a motherless girl named Sasha and her bond with her puppy Halo, which runs away. Sasha's search for her puppy on the Byzantine streets of Mumbai leads her down a rabbit hole of peculiar encounters with the city's residents.