Delhi Private School — School wanting Annual and development fee and not letting kid attend online class due to delay in payment

Address: Doon public school paschim vihar

My son's exams are coming and his school i.e. Doon Public School paschim vihar want to take annual fee from 2021 new session the fee was 4000 not they want us to pay 6000 every month by adding annual fee to it and as we are not able to pay they have removed my child from online classes his exams atarts deom 21st feb. And they have not let him take a single class after winter vacation