Byju's — Byjus not cancelling my child course and not refunded

Address:

BYJU'S, IBC Knowledge Park, Tower D, 6th floor, Bannerghatta Main Road Bangalore, Karnataka - 560029

Im purchased this at Aug'21 with Emi, but not used due to my personal problems, course started at oct'21 from starting onwards facing issues on tab and fhey guided through call not use, they are not giving proper reply and jan'22 they replace with New tab with different featurea and size its also startes with issue in my self and family members vexed on this course they are reaponding through call and emails mu child also not doing this course