Starting his career in Prabhat Kalavidaru, a theatre group based in Bengaluru he acted in numerous Kannada plays which reached the cult status.

Following this, he directed and acted in many English plays written by eminent personalities such as Moliere, Bernard Shaw, Edward Albee and Neil Simon among others.

Simha also acted in and directed straight translations of Shakespeare's plays such as Midsummer Night's Dream and Othello, which besides Karnataka, were also performed in Delhi, Bombay (Mumbai), Madras (Chennai) & Calcutta (Kolkata).

In 1960, Simha became a member of "Bangalore Little Theatre" (BLT) and since then directed some of the reputed English plays which included his portrayal of Cyrano de Bergerac which was hailed as a memorable performance.

Besides making his strong presence in theatre, Simha was also a popular mainstream character actor in numerous Kannada films.

His portrayal of roles varied from critically acclaimed award-winning films like Samskara,[3] Bara, Chithegoo Chinte and Anuroopa and also in commercially acclaimed films such as Indina Ramayana, Nee Bareda Kadambari, Parameshi Prema Prasanga, Rayaru Bandaru Mavana Manege and Nee Thanda Kanike.

Besides acting, Simha has directed five films including Kakana Kote (1977), Shikaari, Simhasana, Ashwamedha (1990) and Angayalli Apsare (1993).

[4] Simha played the part of Gorur and the serial was shot extensively in America including New York, Washington D.C., Niagara Falls, Disneyland and Universal Studios – Hollywood.

[5] On 1 March, his body was kept at the Samsa Bayalu Rangamandira for people to pay homage and his favourite songs were sung by theatre artists.