Indian Overseas Bank — No pension received after Nov 2019

Address:

1, Moorthy Nagar, Villivakkam, Ch - 49

My father K.R Subbiah (age 83)is not getting pension after 2019 November. We have given life-certificate in Nov-2020 and again gave a letter in the IOB Ayanavaram officethat we are not receiving pention in Jan-2021 but still no pention has come.

His IOB account number is [protected].
His P.P.O.NO is [protected]