Hello Ramakrishna,
Check the below Thread. It talks about the same issue and it was resolved by implementing the note 1447617. Can you check if it is applicable to you too.
SCN Thread : http://scn.sap.com/thread/2069972
Other Threads with similar issue :
http://scn.sap.com/thread/3196106
http://scn.sap.com/thread/1886708
/scn.sap.com/thread/1886708<br/>
Regards,
Mudasir