Hi Hari,
The error you have shown is:
"User XXXX is not authorized to access system ECD via ABAP in Eclipse (The system does not support Eclipse based ABAP Development Tools)."
This shows that your ABAP server is not configured for ABAP Development Tools to be used.
Follow this guide to Configure ABAP server:
https://scn.sap.com/docs/DOC-40665
Regarding ABAP tools, visit:
https://tools.hana.ondemand.com/#abap
Fore more infor on ABAP on Eclipse, follow the below community: