diff --git a/Apollo/api/application/config/constants.php b/Apollo/api/application/config/constants.php
index 9b7763b2..0ec317d1 100755
--- a/Apollo/api/application/config/constants.php
+++ b/Apollo/api/application/config/constants.php
@@ -153,6 +153,13 @@ defined('SESSIONSCHEDULEDETAILS') OR define('SESSIONSCHEDULEDETAILS','T_SessionS
 defined('STUDENTDOCUMENTDETAILS') OR define('STUDENTDOCUMENTDETAILS','T_StudentDocumentsDetails');
 defined('STUDENTDOCUMENTTRACKDETAILS') OR define('STUDENTDOCUMENTTRACKDETAILS','T_Student_DocumentTrack_Details');
 
+// branch relation db tables
+
+defined('UNIVERSITYBRANCHREL') OR define('UNIVERSITYBRANCHREL','T_Univ_Branch_Rel');
+defined('COURSEBRANCHREL') OR define('COURSEBRANCHREL','T_Course_Branch_Rel');
+defined('STATUSBRANCHREL') OR define('STATUSBRANCHREL','T_Status_Branch_Rel');
+defined('INOUTCOMEBRANCHREL') OR define('INOUTCOMEBRANCHREL','T_Income_Outcome_Branch_Rel');
+defined('CENTERBRANCHREL') OR define('CENTERBRANCHREL','T_Center_Branch_Rel');