S1·E73 Brahma's Decision

The episode starts with gajanan having notions of three demons praying in space to his father Mahadev, but he couldnt enter that place, as some Divya shield kept him away from entering. Parvati says that its Tripura and tells Ganesh about the story of Tripura and how it all started with Asur Samrat Tarkasurs death, when Kartikeya killed Tarkasur, his 3 sons, Tarkaksh, Kamlaksh and Vindhurmali all decided to pray to Brahma dev for his wish, they sat and together prayed to Brahma dev and Brahmadev was impressed.