Khan contributed songs to, and performed in, several Pakistani films. Shortly before his death, he composed music for three Bollywood films, which includes the film "Aur Pyaar Ho Gaya", in which he also sang for "Koi Jaane Koi Na Jaane" on-screen with the lead pair, and "Zindagi Jhoom Kar". He also composed music for "Kartoos" where he sang for "Ishq Da Rutba", and "Bahaa Na Aansoo", alongside Udit Narayan. He died very shortly prior to the movie's release. His final music composition for Bollywood was for the movie, "Kachche Dhaage" where he sang in "Iss Shaan-E-Karam Ka Kya Kehna". The movie was released in 1999, two years after his death. The two singing sisters of Bollywood, Asha Bhosle and Lata Mangeshkar sang for the songs he composed in his brief stint in Bollywood. He also sang "Saya Bhi Saath Jab Chhod Jaye" for Sunny Deol's movie "Dillagi". The song was released in 1999, two years after Khan's death. He also sang "Dulhe Ka Sehra" from the Bollywood movie "Dhadkan" which was released in 2000.