HDFC Bank Ergo General Insurance — Denial of claim

Address: New Delhi, Delhi, 110027

Hdfceargo policy no [protected] policy is 6 year old and company has denied the claim saying it's a pre existing disease bur after 4 years the pre existing clause should be removed.my wife get admitted in indian spinal injury vasant kunj for the treatment of ankel our is a cashless policy first compeny denied cashless claim saying why this treatment cant be done in opd then after filling reembersment they kept asking for different papers for 4 months we provided them all the papers. After 5 months they denied tha claim.