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 | Anees Bazmee | Screenplay |
| Writing | Prayag Raj | Screenplay |
| Directing | David Dhawan | Director |
| Writing | Anees Bazmee | Dialogue |
| Writing | Anees Bazmee | Story |
| Sound | Sonu Nigam | Playback Singer |
| Sound | Kavita Krishnamurthy | Playback Singer |
| Writing | Anand Bakshi | Lyricist |
| Art | R. Verman Shetty | Art Direction |
| Sound | Udit Narayan | Playback Singer |
| Sound | Pyarelal Ramprasad Sharma | Original Music Composer |
| Sound | Vinod Rathod | Playback Singer |
| Sound | Laxmikant Shantaram Kudalkar | Original Music Composer |
| Editing | A. Muthu | Editor |
| Production | Prakash Pange | Producer |
| Production | Ketan Desai | Producer |
| Crew | Ganesh Acharya | Choreographer |
| Sound | Alka Yagnik | Playback Singer |
| Sound | Poornima Shrestha | Playback Singer |
| Camera | Rajan Kinagi | Director of Photography |
| Production | Bharat Shah | Producer |
