Amity University — Security refund

I completed my ll. M from amity gurugram last year (2019). Its been 13 months and stilli havnt gotmy security refund back. They wont tolerate single day while you give admission fees to them. But when it comes to giving money back, they puke. From last 9 months everytime i call or mail them, response i get from them is you will get your refund soon.