Kishore Kumar (Hindi: किशोर कुमार, Bengali:কিশোর কুমার}; 4 August 1929 – 13 October 1987) was an Indian film playback singer and actor who also worked as lyricist, composer, producer, director, screenwriter and scriptwriter. Kishore Kumar sang in many Indian languages including Bengali, Hindi, Marathi, Assamese, Gujarati, Kannada, Bhojpuri, Malayalam and Oriya.
Kishore Kumar married four times. His first wife was Ruma Guha Thakurta aka Ruma Ghosh. Their marriage lasted from 1950 to 1958. Kishore Kumar's second wife was the famous actress Madhubala, who had worked with him on many films including his home production Chalti Ka Naam Gaadi (1958). When Kishore Kumar proposed to her, Madhubala was sick and was planning to go to London for treatment. At this time, she didn't know that she had a ventricular septal defect, and her father wanted her to wait and consult the London doctors first. Nevertheless, Madhubala married Kishore Kumar in 1960. Madhubala was a Muslim, and the two had a civil marriage. Kishore Kumar even converted to Islam, and took the name Karim Abdul.