You can see your cPanel login details in client area. Please follow these steps.

1. From Left side bar in Clientarea, Go to Your Services -> Shared Hosting/Cloud Hosting
   
   
   
   
   
   
2. Select Your Purchased product
   
   
   
   
   
3. Click on Login Details
   
   
   
   
4. Click on Click here to Show login details
   
   
   
   
   
5. Use the URL, Username and password from above screen to login to cPanel.