Who wrote a novel that was adapted into a film which featured the voice of a man who sang in Hindi and other languages?
Saptapadi (1961 film):  Regarded as the romantic blockbuster of the evergreen romantic pair of Bengali cinema, Uttam Kumar and Suchitra Sen, accompanied with mesmerizing music direction and playback singing in Uttam's voice by Hemanta Mukherjee and in Suchitra's voice by Sandhya Mukherjee. Hemanta Mukherjee: Hemanta Mukherjee ((16 June 1920 – 26 September 1989); often credited as Hemant Kumar outside Bengal) was an Indian playback singer, music director and film producer, who sang in Bengali, Hindi and other Indian languages.
i don't know