diff --git a/utils/yangutils/src/main/java/org/onosproject/yangutils/parser/impl/listeners/GroupingListener.java b/utils/yangutils/src/main/java/org/onosproject/yangutils/parser/impl/listeners/GroupingListener.java
index 67dacbb..c81e554 100644
--- a/utils/yangutils/src/main/java/org/onosproject/yangutils/parser/impl/listeners/GroupingListener.java
+++ b/utils/yangutils/src/main/java/org/onosproject/yangutils/parser/impl/listeners/GroupingListener.java
@@ -46,10 +46,12 @@
 import static org.onosproject.yangutils.parser.impl.parserutils.ListenerUtil.getValidIdentifier;
 import static org.onosproject.yangutils.parser.impl.parserutils.ListenerValidation.checkStackIsNotEmpty;
 import static org.onosproject.yangutils.parser.impl.parserutils.ListenerValidation.validateCardinalityMaxOne;
+import static org.onosproject.yangutils.parser.impl.parserutils.ListenerValidation.validateMutuallyExclusiveChilds;
 import static org.onosproject.yangutils.utils.YangConstructType.DESCRIPTION_DATA;
 import static org.onosproject.yangutils.utils.YangConstructType.GROUPING_DATA;
 import static org.onosproject.yangutils.utils.YangConstructType.REFERENCE_DATA;
 import static org.onosproject.yangutils.utils.YangConstructType.STATUS_DATA;
+import static org.onosproject.yangutils.utils.YangConstructType.TYPEDEF_DATA;
 
 /*
  * Reference: RFC6020 and YANG ANTLR Grammar
@@ -166,5 +168,7 @@
         validateCardinalityMaxOne(ctx.descriptionStatement(), DESCRIPTION_DATA, GROUPING_DATA,
                 ctx.identifier().getText());
         validateCardinalityMaxOne(ctx.referenceStatement(), REFERENCE_DATA, GROUPING_DATA, ctx.identifier().getText());
+        validateMutuallyExclusiveChilds(ctx.typedefStatement(), TYPEDEF_DATA, ctx.groupingStatement(), GROUPING_DATA,
+                GROUPING_DATA, ctx.identifier().getText());
     }
 }