Listen to Ham Hain Rajkumar online. Ham Hain Rajkumar is a Hindi language song and is sung by Shankar-Jaikishan and Mohammed Rafi. Ham Hain Rajkumar, from the album Rafi - Sings For Shammi Kapoor, was released in the year 1957. The duration of the song is 5:40. Download Hindi songs online from JioSaavn.