Complex sentence: Nisha and Kabir try to show the Gangwals that Kabir is a bad person so that no one blames Nisha when Kabir leaves after 3 months but they fail every time and he becomes the hero of the house.
Split into simpler sentences: Nisha and Kabir try to show the Gangwals that Kabir is a bad person so that no one blames Nisha when Kabir leaves after 3 months. But they fail every time and he becomes the hero of the house.