Neha, a psychiatrist, is pursued by both Raja and Bunnu. While Raja is a small-time crook pretending to be an NRI, Bunnu is her patient. The two try to outsmart each other to win Neha's heart.
Unfortunately the movie Deewana Mastana is not yet available on HBO Max.
| Writing | Prayag Raj | Screenplay |
| Writing | Anees Bazmee | Dialogue |
| Directing | David Dhawan | Director |
| Writing | Anees Bazmee | Story |
| Writing | Anees Bazmee | Screenplay |
| Writing | Anand Bakshi | Lyricist |
| Sound | Kavita Krishnamurthy | Playback Singer |
| Editing | A. Muthu | Editor |
| Production | Ketan Desai | Producer |
| Sound | Alka Yagnik | Playback Singer |
| Sound | Poornima Shrestha | Playback Singer |
| Camera | Rajan Kinagi | Director of Photography |
| Sound | Laxmikant Shantaram Kudalkar | Original Music Composer |
| Sound | Pyarelal Ramprasad Sharma | Original Music Composer |
| Sound | Udit Narayan | Playback Singer |
| Sound | Vinod Rathod | Playback Singer |
| Production | Bharat Shah | Producer |
| Production | Prakash Pange | Producer |
| Crew | Ganesh Acharya | Choreographer |
| Art | R. Verman Shetty | Art Direction |
| Sound | Sonu Nigam | Playback Singer |
