National Insurance Company — careless approach by national insurance and its tpa vipul

TPA Deducted 25% of my claim amount and since than despite of my justification with the help of treating hospital no comunication from National Insurance and Vipul since two months of correspondence.

I have atleast written five emails to the concern authorities, but not received any single reply.

I am looking for faster resolution, if my premium is delayed for a single day they wont consider it for claim, but now not releasing my money since almost three months. I can share all my details to the concern person.