State Bank Of India [SBI] — About life certificate

Address: Darbhanga, Bihar, 847105

I have pension account in SBI brance code (11829) account number [protected] name BIBI ISMUN NISHA . I SUBMITED 3 time my life certificate but it does not reach to head office Kolkata I complain to branch manager but no action has been taken I am 65 years old lady I can't go my bank frequently. So I put a complain in RBI regarding branch manager and their employees. They have not taking any action so, please take my action. Resolve it as soon as possible. First time account officer told me that I am new here I don't have any address then I have given address of head branch Kolkata also but still no action has been taken...