Kotak Mahindra Bank — sovereign gold bond 2016-17

The details of gold bond is as under:
Sovereign gold bonds scheme 2016 - 17
Certificate no sgb[protected] - [protected]
Investor id no.[protected]
Date of issue : 17-nov-2016
Name : bharti gupta

Complaint:
(1) i have not received credit of hy yearly interest in my account:

Period:
17/05/2017
17/11/2017
17/05/2018
17/11/2018
17/05/2020
(2) i am not getting credit of interest directly in my dmat account. I got interest by cheque for 17/05/2019 and 17/11/2019.

Please resolve my complaint