Biography Ambika is an Indian film actress known for her works predominantly in Malayalam, Tamil, Kannada films. She was also starred in few Telugu films. She was one of the top heroines from 1979 to 1988. Her younger sister Radha was also an actress. They acted together in a number of south Indian films and during their peak careers they owned a movie studio called "ARS Studios". In 2013 they converted ARS Studios to a hotel complex.