I would like to know what other requirement are required in new account.

Goodness, that is a huge question, and NO-ONE here will even begin to answer that for you.

As stated , you need to check out Amazon's Seller University (link under 'Learn' at the bottom of your seller homepage). EVERYTHING you need to know about selling on here is there. There are lots of requirements - policies to adhere to and metrics to meet and comply with, and you need to get through the very stringent account verification before you can start selling - both personal ID and business information.

Much will depend on where you actually live, and where you will store your goods (FBA) or if send yourself (FBM). If you are not resident in the UK and wish to store goods here you will also need to be VAT registered here. Do not buy goods or send to an Amazon fulfilment centre until your account is fully verified.

If you are resident in UK then you must, by law, be registered with HMRC as self-employed, and have given your UTR to Amazon for their BUSINESS seller account (NOT Individual Seller account).

This is all before you begin, so the rest is down to you to do your research before you begin.