Hi Vinay,
Since you have experience in third-party integration tool, you can try HCI easily.
You can follow the webinar presented by Meghna shishodiya [Recording sessions are available for the previous sessions]
HANA Cloud Integration: Webinar Series
To register and access the content you should have SAP Service user id.
If you have on-premise systems you can request SAP for trail access.
You can write an email to Meghna.shishodiya@sap.com for trail access.
Regards
Bhargava Krishna