Hi Sriram,
1. In Cluster environment, but I only want to have in Cluster hosts the database instance, this is, I don´t want to have SAP instances (ASCS, ERS, CI, DI, etc) in that Cluster hosts, only the database (SQL Server). It´s possible? Because in the Software Provisioning Manager - Installation Guide, the scenarios that is cover in there, doesn't show any scenario that fits with our goal! 
We don´t want to install those SAP instances (ASCS, ERS, CI, DI, etc) in cluster environment, only want the database instance!
2. OS - Windows Server 2012 (R2) ; DB - MS SQL Server 2012
4. I already read those guides!... as I mentioned above I don´t see any scenario in installation guide that fits with my intended solution!
Kind regards,
samid raif