What would be sensible was, that for once they would exhibit law correctly. They should have made Raman and Ishita approach the court for visitation rights. And Pihu should have been allowed to meet her family few times a week. She could live with both Shagun and the Bhalla's and gradually learn the stark difference in them. They could show her bond with Ishita, Raman and Adi Ruhi gradually make her realize that Ishita is Raman's life partner, and make her accept that. They could make Shagun fret about losing her and take desperate measures that would fail and expose her bit by bit...and eventually when Pihu knows and likes Ishita better, she could be explained that she is her mother.This would be a decently long track, which would involve a negative element with Shagun but at the same time it would be logical and as real as they could get.And the whole Mani angle makes no sense. Whether Mani changes his statements now or not...Whether he's against IshRa or not, Shagun has her name on the birth certificate so he has little importance in the custody battle, here on wards.