2) If I want to know details of my clients debarred by SEBI, from where I can see in BIZOps?

You can see the list of your clients under SEBI Debarred category from below path:

Uppermost Login -> BizOps -> Reports-> Compliance-Legal -> SEBI Debarred Clients -> Branch Clients

Also, you can check the complete list of SEBI Debarred entities of MOSL from below path

Uppermost Login -> BizOps -> Reports-> Compliance-Legal -> SEBI Debarred Clients -> All MOSL Clients