Hi Jeevan,
ABAP programmers like you are very much interested to land in SAP HANA and get confused like where they fit and how to start.
Kumar Mayuresh wrote a document on this and i suggest you to read this thread. After reading this, still you have questions then you can post it.
Here is the thread.
Correct forum for you is this one.
Any questions related to HANA modeling then this is the right space.
Want to have online training then give email to bwbohana at gmail
Wish you all the best for your HANA career 
Regards
Raj