This is one of the most common health insurance queries, and knowing the answer from the get-to-go makers' claim process is much smoother.
Essentially the company asks for the identity proof of the member covered, health card, hospital bills, etcetera at the time of her claim.
Pre-authorization form is required in case of clash claims which are to be submitted to the TPA.
The other documents might be also required and you should have the knowledge of the required documentation so that you can get your claim processed smoothly.