What rae the procedure to get entry permit after paying 8000 naira?

Julius, if your application is accepted, then you will receive a receipt from the consular department. It states clearly when you should come to pick up your passport. When you come, then you will know whether you are granted with the visa. If you are granted, then you should use your debit card or ATM card to pay the fee before you get your passport.

Please understand that no cash is accepted.