Hi @shubh_am ,
I would defiantly recommend https://learning.servicenow.com/lxp/en/pages/journey-overview?id=journey_overview&journey_id=55f79b4... as this will give you a good starting point and view of SerivceNow.
If my answer has helped with your question, please mark my answer as accepted solution and give a thumb up.
Best regards
Anders
