Cppc Indian Bank — Not receiving pension

I am the shameeli pensinor od my deceased father, i gave my life certificate and also non marital certificate on 19.11.2021 .But the bank only updated my life certificated i didn't update nonmarital certificated, it will updated only on December 31.So that my pension will stop this month.
My ppo number:[protected]
My indian bank account number:[protected].