Complex sentence: He then came up with its film adaptation "Maqbool" (2003), starring Pankaj Kapur, Irrfan Khan and Tabu; it was set against the backdrop of Mumbai underworld.
Split into simpler sentences: He then came up with its film adaptation "Maqbool" (2003). The film starred Pankaj Kapur, Irrfan Khan and Tabu in the lead roles and was set against the backdrop of Mumbai underworld.