Hi Parves,
As of now its available with HR, PLM, CRM
Check this link.
https://websmp204.sap-ag.de/~sapidp/012002523100011787552015E.pdf
Check this space, Your one stop shop for S/4 HANA related informations.
SAP S/4 Business Suite on SAP HANA (FAQ)
Regards
Vinoth