I need to Change My seller account country from India to amazon account USA.

No you cannot change the seller account country. If you want to start selling on Amazon USA then you have to register new account from beginning and fulfilled the requirement according to USA regulations and rules.

No you can’t change your seller account country. but you have another way to sell your products on Amazon USA with sell globally, so if you want selling in different country start sell globally.

You are unable to alter the seller account’s country. You must create a fresh account from scratch and satisfy the requirements in accordance with USA regulations and guidelines if you want to start selling on Amazon USA.

No, it is not possible to change your account from the UK to the USA alternatively you can use global selling to sell in the USA but first you have to register your account in the USA then you can link your UK to USA marketplace like your UK account is Source marketplace and USA is your target marketplace and you can use build international listing to synchronize your prices across all the regions.

No, you cannot switch your account from the UK to an American one. As an alternative, you can create an account and link with the UK then you can sell your products through global selling in the USA.