Hi Naveed,
Please check for below link and close this thread if you got the answer
Complete SAP System Backup & Recovery
One more thing,Please Check in SCN community related to your query before opening a new thread because several times the questions are already answered previously by some one ,again repeating the same thing doesn't make anysense unless the question is left "unanswered" .
I hope you got what am trying to say ,just a suggestion
Best Regards,
Praveen Sriavastava