How to generate Payment File Administration record in netsuite, because netsuite not allowed to create Payment File Administration record.

You can't automate it. Use the UI. You can make a custom batch page if you wish, there's a suiteanswer that details how

Are you trying to create a new payment file template? If yes, you will need to purchase the Advanced EFT bundle. The basic one, which is free does not allow you to edit or create new templates.

ok thanks