Divya-Drishti 27th July 2019 written update: Drishti under an evil spell?

Divya Drishti 27 July 2019: In tonight's episode we see Drishti's memory starts to falter after Lavanya bite her. Strange things start to happen in Shergill house and the whole blame is laid on Drishti. What game is Sachini playing with the Shergill's?