I am able to get the concurrent managers details, but not able to distinguish what is custom and what is seeded.
Thanks for the information Kashif!
How to distinguish a default concurrent manager from a custom concurrent manager.
11i : Oracle Application Object Library Concurrent Manager Setup Test (Doc ID 200360.1)
Run the test as follows:
This will report all the Concurrent Manager related Details, from the list spooled we can identify if any Custom Concurrent manager has been created on the environment .