- Old Songs: Mere Mehboob Qayamat Hogi (original) - Mr. X In Bombay - Kishore Kumars Greatest Hits

: Kishore Kumar , who also played the lead role of Sudarshan.

The song holds significant historical weight as it marked the first major collaboration between several industry giants: : Kishore Kumar , who also played the lead role of Sudarshan

: Anand Bakshi , whose sharp, melancholic verses became synonymous with the song's legacy. : Kishore Kumar

: Laxmikant-Pyarelal , for whom this was a breakthrough hit. Sudarshan (Kishore Kumar)

In the film, the song serves as a dramatic centerpiece. After drinking a potion that makes him invisible, the protagonist, Sudarshan (Kishore Kumar), believes he is a spirit. He "haunts" his beloved Shobha (played by Kumkum) by singing this track to express his pain and feelings of betrayal. Because he is invisible, she hears only his voice, adding a ghostly, haunting layer to the performance.