In 1955, in
Madras (now Chennai), at the age of 18, Somashekhar entered cinema hoping to become an actor and started as a
clapperboard operator. He then appeared in uncredited film roles before working as a dubbing artist. Following this, he worked as an assistant director to popular film directors at the time,
R. Nagendra Rao, N. G. Rajan,
Y. R. Swamy, Ramamurthy and Babu Rao. Actor
Dr. Rajkumar was impressed by Somashekhar's work in
Choori Chikkanna (1969), and urged to him direct films independently. Somashekhar started out with Rajkumar's 1974 film
Bangaarada Panjara. The film was a commercial success. Collaborating with Rajkumar, he followed this up with other hit films such as
Premada Kanike (1976),
Shankar Guru (1978),
Thayige Thakka Maga (1978),
Havina Hede (1981) and
Parashuram (1989). With
Vishnuvardhan, Somashekhar worked in
Kalinga (1980) and
Chanakya (1984). Other popular films directed by Somashekhar include
Point Parimala (1980),
Ranaranga (1988) and
S. P. Bhargavi (1981). ==Final years and death==