Mothers Pride Play School — Money not refunded

We had registered our child at time of her birth as they offered us that your seat will be registered and in case of fees hike, school will not charge extra fees but, when our chilg turns 3 we migrated to another city so we ask them to pay our money back as it was refundable amount of 4500.we paid 5000 to them, its been 1.6 years, we did not get our money back, Mothers pride school are predators, please don't fall in to their trap.