Complex sentence: Tabu's first credited film role came as a teenager in Dev Anand's "Hum Naujawan" (1985), and she had her first major role in the Telugu film "Coolie No.1" (1991).
Split into simpler sentences: Tabu's first credited film role came as a teenager in Dev Anand's "Hum Naujawan" (1985). Her first major role was in the Telugu film "Coolie No.1" (1991).