HDFC Bank — not providing the claim of hdfc critical care plan policy no[protected]

Address:

Brass market, Rewari, haryana, Rewari, Haryana, 123401

I, on the behalf of mr upender kumar sharma, daughter, want to say that my father had taken the hdfc critical care plan policy 14300769 on april 2011.
Because of last stage of chronic liver disease, he was hospitalised and after his discharge from hospital, he submitted all the relevant original bills and documents to the hdfc life, rewari branch on may 4, 2019 and also communicated through mails with reference no.[protected].
But no relevant reponse he got... So please help to get the claim as soon as possible