diff --git a/utils/yangutils/src/test/resources/SubModuleInvalidName.yang b/utils/yangutils/src/test/resources/SubModuleInvalidName.yang
new file mode 100644
index 0000000..7da9397
--- /dev/null
+++ b/utils/yangutils/src/test/resources/SubModuleInvalidName.yang
@@ -0,0 +1,18 @@
+submodule Test:Test {
+belongs-to ONOS {
+prefix On1;
+}
+yang-version 1;
+import ietf {
+prefix On2;
+revision-date 2015-02-03;
+}
+include itut {
+revision-date 2016-02-03;
+}
+include sdn {
+revision-date 2014-02-03;
+}
+contact "Test";
+organization "ONOS";
+}