Santosh Kumar’s real name was Syed Musa Raza.
Owing to his education and awareness, Santosh Kumar was always designated to lead the entourage to represent Pakistan in meetings held abroad, and because of this became known as the foreign minister of the Pakistan Film Industry. This was revealed by him in one of his interviews broadcast by the Radio Pakistan in the mid sixties.
The first Nigar Award for best actor in the history of Pakistan was presented to him in film Waada. Shaam Dhalay is the only movie he produced, directed and played the lead role.