Rajkumar Is A Bollywood Musical Comedy Hindi Movie, Directed By K. Shankar, Starring Shammi Kapoor, Sadhana, Pran, Prithviraj Kapoor, Om Prakash and Rajindernath In The Lead Roles. A Maharaja Is Pleased When His Son Bhanu Pratap Returns From Abroad But Discovers That He Is Not Worthy Of Being A King. Soon, Bhanu Pratap Uncovers A Dangerous Plot That Endangers Him And His Family.