Hi,
Thanks for reaching us!
Fremius.com is a standard way to accept users’ payments in a secure manner in selling WordPress plugin. If you are using the pro version, you can submit your ticket into our Support platform which is created for providing support for users with the Pro license. If you have any pre-sale questions, you can ask them on here:
https://support.stylemixthemes.com/tickets/new/pre-sale?item_id=27
Our team is always ready to help our customers in resolving their issues. If you have any errors after activating the plugin, you can write your point into Support section in the www.remarpro.com plugin page too.
Actually, Stylemix is not an Indian Company. All our rights are reserved officially.
As an extra help, you can review the eRoom plugin manual here:
https://docs.stylemixthemes.com/eroom/
Regards