Adding new TLD's

Hi everyone,

I am starting new hosting business for that I will buy WHMCs software, I am confused how to add new TLD in WHMCS software. beside TLDs provided by onlinenic.com I want to sell Malaysian domain (.my, .com.my), UAE domain (.ae, .com.ae) and pakistani domain (.pk, .com.pk)

I want to know how to add these TLDs in WHMCs software and also who will provide me reseller account for these TLDs.

Please help me out

Thanks
Anna.