diff --git a/Apollo/api/application/config/constants.php b/Apollo/api/application/config/constants.php
index 51fe57b4..4bfca34d 100755
--- a/Apollo/api/application/config/constants.php
+++ b/Apollo/api/application/config/constants.php
@@ -102,6 +102,12 @@ defined('MATERIALUPDATE') OR define('MATERIALUPDATE','M001');
 defined('SEMYEARFEES') OR define('SEMYEARFEES','Y001');
 defined('REGULARFEES') OR define('REGULARFEES','P001');
 defined('LATERALFEES') OR define('LATERALFEES','P002');
+//define default course details
+defined('TC') OR define('TC','TC');
+defined('DC') OR define('DC','DC');
+defined('MC') OR define('MC','MC');
+defined('PC') OR define('PC','PC');
+defined('OTHER') OR define('OTHER','OTHER');
 
 //encript database table name
 defined('LOGIN') OR define('LOGIN','T_Login');