Hi Abhishek,
please check following notes:
http://service.sap.com/sap/support/notes/1863289
http://service.sap.com/sap/support/notes/1711339
http://service.sap.com/sap/support/notes/1585992
http://service.sap.com/sap/support/notes/1499352
http://service.sap.com/sap/support/notes/1759285
http://service.sap.com/sap/support/notes/1758810
Regards
Konstantin