Complex sentence: Khan made his acting debut as a minor role in Biwi Ho To Aisi (1988), but his film career began with "Maine Pyar Kiya" (1989), for which he won a Filmfare Award for Best Male Debut.
Split into simpler sentences: Khan made his acting debut in Biwi Ho To Aisi (1988). He achieved commercial success and stardom with "Maine Pyar Kiya" (1989), for which he won a Filmfare Award for Best Male Debut.