Complex sentence: "Murash" (Imran Abbas) is also not interested and thinks about Noor Bano as an elder sister but is alleged to marry her because his father promised his dyeing brother that he will take care of his only daughter for the whole life.
Split into simpler sentences: Murash (Imran Abbas) is also not interested in marrying Noor and thinks her as his elder sister. But he is forced to marry her because his father promised his dying brother that he will take care of his only daughter for the whole life.