Saath Nibhaana Saathiya

There is a mix-up about the prasad, not being made with ghee. Rashi is happy at Kokila's humiliation. The Modi family celebrates Diwali. Rashi, tired of Kokila's taunts, decides to teach her a lesson with Urmila’s help. They swap the ghee prepared by Kokila with oil. Will Kokila find out?