Hello Rajat
This was discussed few days back.
http://scn.sap.com/thread/3538977
Check these SAP notes
980266 - RFC destination SAPXPG_DBDEST_<DB-HOST> does not work
34219 - DB13: CPIC error CM_RESOURCE_FAILURE_RETRY
446172 - SXPG_COMMAND_EXECUTE (program_start_error) in DB13
Regards
RB