Anna University — Refund otherstate 2020

Address:

Andhrapradesh

I have not received my counseling refund.I applied for Btech 4 year course in the year 2020 .I submitted all the necessary documents through speed post I didnot received the refund till now.They told that they will refund us.What should ai do now.Should I proceed legally through court notice.It Iit is not good for such a reputed university to do like this for a middle class student.please check it once.
My application number 9605
MALLEMALA MANASA