Sri Chaitanya Techno School — Regarding the sale of books and the rank guru app combined

My daughter is studying in your school in visakhapatnam - aseelmetta-- Ramnagar Branch. she is in Xth Std. I have already paid 25000/- as the first term fee. Now you are asking me to buy books of about 11000/-. When all the material is on Rank guru app why are you forcing parents to take both books and the app. I am ready to take rank guru but the principal says you have to take both. Why are you for parents in such a manner in these hard Corona Times when lot o[censored]s has lost our Jobs. We are Paying your fee on top this is extra burden on the parents. Don't force the Parents to do what ever you want just to fill your pockets.