I'm trying to take free trial for FireFly Pro Plus model, I have paid 2rs multiple times to activate free trial, even though each time amount get deducted but nothing happens in firefly.

Hey ​@Abhishek+Mane 
 

Since this question has to do with your private account information, we can't help you here on the forums. Please reach out to our chat team by selecting the chat bubble icon in the bottom right of this page: https://helpx.adobe.com/support.html

Cheers

Nate