Kotak Mahindra Bank — Requested for my relieving letter

Address: B 418 desai golden springs shigehalli near kadgudi 560067

I am the x employee of your organization
Ref no of offer letterL 812497
I had resigned and final setlement is done on 01/11/2019 i had not served my notice period which was for 3 months i stopped going office for that i had not received my relieving letter yet can you kindly help on this to get my relieving letter as soon as possible. I had mailed many times to hr but no one responding very sad way to deal with x employee.

Regards,
Nayana v n