Pithamaha
Pithamaha  is a 1985 Kannada film, directed by K. S. L. Swamy (Ravi) and produced by Singh Brothers.
The film stars Rajesh, Udaykumar, V. Ravichandran and Vijayalakshmi Singh in the lead roles.
While M. Ranga Rao composed the music, the lyrics and dialogues were written by Chi.
Udaya Shankar.
The film was a remake of the 1982 blockbuster Hindi film "Vidhaata", directed by Subhash Ghai and starring Dilip Kumar, Shammi Kapoor, Sanjeev Kumar and Sanjay Dutt in the lead roles.
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K. S. L. Swamy
Kikkeri Shamanna Lakshminarasimha Swamy (21 February 1939 – 20 October 2015), popularly known as K. S. L. Swamy / Lalitha Ravee / Ravee, was an Indian film director, producer, actor and playback singer.
He entered cinema at an early age as an assistant to popular directors of the time such as G. V. Iyer and M. R. Vittal.
He debuted as an independent film director with the 1966 film, "Thoogudeepa".
His other films such as "Gandhinagara" (1968) and "Bhagya Jyothi" (1975) and "Malaya Marutha" (1986) proved successful.
His 1989 film "Jamboo Savari" won the National Film Award for Best Children's Film at the 37th National Film Awards.
Swamy was a close associate of director Puttanna Kanagal, and completed two of his films – "Masanada Hoovu" (1984) and the long delayed "Saavira Mettilu" that released in 2006, following the latter's death, which also turned out be his own last directorial venture.
Recognizing his contribution to cinema, Swamy was awarded the Dr. B. Saroja Devi National Award in 2013.
He was married to actress B. V. Radha.
Swamy was also an adept singer well known for the track "Suryangu Chandrangu" for the film "Shubhamangala" and "Ille Swarga Ille Naraka" for "Nagarahole".
Swamy died on 20 October 2015 due to breathing complications at Bangalore.
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Question: Who is the spouse of the director of film Pithamaha?
Answer: B. V. Radha