Hi Prabhu,
You can try the BADI
NOTIF_EVENT_SAVE : Change When Saving Notification
also please find some enhancement points related to this.
IWOC0004 Change single-level list editing PM/QM/SM ALV settings
IWOC0003 PM/SM authorization check of ref. object and planner group
IWOC0002 PM/SM notification: Check whether status change is allowed
IWOC0001 Create PM/SM notification: Determine reference object
IWO10027 User exit: Generate user-defined settlement rule
IWO10026 User check on setting status 'Do not perform'
but better way go with BADI given above.
Regards,
Chaitanya Parchure