Complex sentence: Pancholi cast him again in "Khandaan" (1942), which was the first Hindi film in which Pran became a romantic hero, opposite Noor Jehan, who had earlier acted with him in "Yamla Jat" as a child artist.
Split into simpler sentences: Pancholi cast him again in "Khandaan" (1942), which was Pran's first Hindi film. The film featured himas romantic hero, opposite Noor Jehan, who had acted with him in "Yamla Jat" as a child artist.