HDFC Bank Ergo General Insurance — not settling the claim post pre approval. ccn - rr-hs[protected]

Address: Krishna, Andhra Pradesh, 521101

Hdfc ergo insurance kept on asking me all relavnet papers till last week from nov 2017 onwards and finally rejected claim stating some irrelevent information as stated below :
(“insured had not disclosed the ailment while purchasing the policy. Hence there is non-disclosure of material facts and thus this claim is being repudiated under section 10 r ii of the policy terms and conditions.)
Please accept this letter as my appeal to decision to deny settlement for (Acute myocardial infarction unspecified state) post pre-approval of the treatment undergone. It is my understanding based on your letter of denial dated (08/02/2018 ccn –rr-hs[protected] that this procedure has been denied because of below reason which is un-acceptable and this claim is a pre-approved cashless. The same was stated in the attached release letter by insurance team dated 10th aug’2017. Hence would request you to review your decision and however this was never stated in your query letters which was surprise to us till last minute. Your claim team made me to run from pillar to post for 3 months to get all questions answered.