Which Indian playback singer sang the title song in the 1965 Hindi film Mahabharata?
Mohammed Rafi Mohammed Rafi (24 December 1924 – 31 July 1980) was an Indian playback singer and one of the most popular singers of the Hindi film industry. Rafi was notable for his voice and versatility; his songs ranged from classical numbers to patriotic songs, sad lamentations to highly romantic numbers, qawwalis to ghazals and bhajans. He was known for his ability to mould his voice to the persona of the actor, lip-synching the song on screen in the movie. Between 1950 and 1970, Rafi was the most sought after singer in the Hindi film industry. He received six Filmfare Awards and one National Film Award. In 1967, he was honoured with the Padma Shri award by the Government of India.
S. P. Balasubrahmanyam Sripathi Panditaradhyula Balasubrahmanyam (   ; born 4 June 1946) is an Indian film playback singer, actor, music director, voice actor and film producer. He is mostly referred to as S. P. B. or Balu. He has won the Guinness World Record for recording the highest number of songs. He has garnered six National Film Awards for Best Male Playback Singer, and twenty five Nandi Awards for his works towards Telugu cinema. In 2012, He received the Andhra Pradesh state NTR National Award for his contributions to Indian cinema.