Punjab National Bank [PNB] — Interest not received on sovereign gold bond

Address:

PNB, SADA COLONEY RAGHOGARH-473226, M.P.

Dear Sir,
I have purchased the SGB from OBC(now pnb) through online mode (certificate and details are attached). In the month of JUNE 2021, interest should be credited but yet it is not received. In SGB online purchase history (internet banking) no record is found. Kindly do the needful. many time emails have been sent to PNB customer care, but matter is not resolved
OBC(now pnb) account details are:
Name: Jitendra Kanungo
A/C No. [protected]
ifsc code: PUNB0497300
Branch: PNB, SADA COLONEY RAGHOGARH-473226, M.P.

Thanks & Regards