If you are upgrading from Tally.ERP 9 Release 6.6 and higher release to TallyPrime Release 2.0, you will have to make minor changes to TDL to be able to view your customized reports under the List of the Reports.
Click here to learn about the minor modifications needed to TDL.
If you are upgrading from TallyPrime Release 1.0 and higher release to TallyPrime Release 2.0, then:
For Desktop/Laptop:
No. It is not necessary to make any changes to TDL to view your customized reports under the List of Reports. They will appear automatically.
For Mobile/Tablet:
Yes, you will need to make minor changes to TDL to view your customized reports under the List of Reports.
Click here to learn about the minor modifications needed to TDL.