Shikari (1963)

aka: The Hindi King Kong

A mad scientist sets up a laboratory in the South Indian jungle where he turns a gorilla into a monster. The monster is called Otango and terrorizes local villages. A safari party from a circus sets off into the jungle with another scientist and a local hunter acting as guide. Soon they too are pitted against Otango. Stars Ajit Ragini. (In Hindi language, with English subtitles).