Mr. X in Bombay is a 1964 Indian science fiction romantic comedy film directed by Shantilal Soni and starring Kishore Kumar, Kumkum and Madan Puri.

[1][2] Shobha lives a wealthy lifestyle with her scientist dad Prof. Mathur, who is now carrying out experiments on various issues.

Thereafter, every night she starts to hear Sudarshan's voice, blaming her for his death, as his soul is unable to find solace.

The music was composed by Laxmikant–Pyarelal and the lyrics for the songs were penned by Anand Bakshi and Asad Bhopali.

The song "Mere Mehboob Qayamat Hogi", sung by Kishore Kumar, became an evergreen hit.