Hi Shashank,
I see this question hasn't had a response in a while.
If you're still facing issues in this area, please refer to this section in our online documentation to see if it helps.
Tester Self-Service using TDoD - CA Test Data Manager - 4.0 - CA Technologies Documentation
If not, then please open a support case and one of or Support Engineers will assist you. It will be helpful if you provide more information such as how you configured your project in Datamaker, and also how you exposed the flow from the settings within Datamaker, and also through Agile Requirements Designer.
Thanks,
Sameer