Hello Everyone
If you would like to see a step by step guide on how to install SQL Server
2012 on Windows Server 2008 R2 SP1 or on Windows Server 2008 SP2
using configuration file then please visit the following link:-
http://www.MyTechMantra.com/LearnSQLServer/Install-SQL-Server-2012-P1.html
Hope that Helps!
Thanks
Ashish Kumar Mehta