Hi Yashpal,
yes, Kerberos/SPNego for ABAP/HANA is the concrete authentication method that is compatible with windows authentication. All popular browsers (IE, Chrome, Firefox) support this mechanism.
Sending you a landing page with various information and installation videos for the different types of systems.
If you're talking about AS ABAP you might want to have a look at the video
Installation and configuration of Secure Login Library for SAP AS ABAP (7:40 min)
ABAP-Mapping
ONE SAP user exactly maps to ONE windows user.The mappings are maintained in transation SU01.
Which kind of FIORI scenario are you are about to setup? Transactional Apps or Analytical Apps?
Regards,
Mathias