I agree that it may be a bit late to publish this article as most of our Indian companies have already implemented or in pre-go live status of GST roll out as on today.
Just sharing the step by step notes which are required in SAP ERP for implementing GST in order to run day to day business process mapped with SAP ERP system.
I have tried compiling almost all SAP notes & configuration documents released as on 30.06.2017 , it can be handy to all those consultants who does'nt have access to SAP launchpad to download SAP notes. The notes are shared with my G-drive link & it can be easily downloaded & referred at any given point of time.
1- Official GST SAP Launchpad link where notes & updates with regards to GST are updated in real time for all system ( SAP ERP ECC, SAP S4HANA etc.)
2 - SAP Master Note - 2421394 - GST India - SAP ERP Solution Notes
3- SAP S4HANA Master Note - 2435968 - GST India S4 HANA Solution and FAQ_28.06.2017
4- SAP Note - SAP S4Hana GST all notes & documents
SAP FICO/S4HANA Consultant