How to get refund of Nursery School Admission Fee

Hello I got my 3 year old daughter admitted to a school, and paid about Rs 80,000 as admission fees. It was mentioned that the fees is non refundable. This was in August. After that I was able to secure her admission in another better school and put up a request for admission cancellation in the first school. I never heard back from them. I have sent them emails and submitted hard copy applications at the school and talked to the reception as well. But nothing has made them respond back. I am ok if they return only some part of the money instead of the full amount, but is that legally possible? Even after we have signed an undertaking that the admission fees is non-refundable? Please advise and provide examples where court has asked schools to provide back admission fees once admission is cancelled. THANKS