Thanks a lot utsav will try this .This is very confusing. So follow below steps.
1. Pay for course by course evaluation upgrade.
2. After that WES dashboard will five you sections named Completed Steps and Pending Steps.
3. If Pending Steps mentions that "Waiting for the documents" than you have to send it again from your university sealed envelope.
4. If Pending Steps doesn't mention anything from our end and mentions "You don't need to do anything from your end", than we are good and just wait for evaluation to be completed.
Mostly they won't ask for transcripts again as at the time of Document by Document evaluation, they usually keep our documents.
Regards,
Pavan