I am sorry for inconvenience you faced.
I have created a support ticket to assist you with this issue and proceed to refund of second order you apparently do not need.
I have created a support ticket for you to have your problem addressed there.
> And no clue how to contact about this case. Horrible !!!!!!!!!!!!!!!!!!!!
You can submit a free support ticket to Parallels Customer Service by following 3 steps:
1. Open www.parallels.com;
2. In red headline please select 'Support' -> Create Support Request. You will be redirected to the following page: http://www.parallels.com/support/request/
3. You will be prompted to log into your account with Parallels. Having logged in, you will see a form. Once this form is filled in, a ticket is created immediately.