This is one of the most common health insurance queries, and knowing the answer from the get-go makes the claims process much smoother. Essentially the company asks for the identity proof of the members covered, the health card, the hospital bills, etc. at the time of a claim. A pre-authorization form is required in case of cashless claims which are to be submitted to the TPA. Other documents might also be required and you should have the knowledge of the required documents so that you can get your claim processed smoothly.