diff --git a/utils/yangutils/datamodel/src/main/java/org/onosproject/yangutils/datamodel/YangModule.java b/utils/yangutils/datamodel/src/main/java/org/onosproject/yangutils/datamodel/YangModule.java
index 81bbd41..f9b1e87 100644
--- a/utils/yangutils/datamodel/src/main/java/org/onosproject/yangutils/datamodel/YangModule.java
+++ b/utils/yangutils/datamodel/src/main/java/org/onosproject/yangutils/datamodel/YangModule.java
@@ -231,6 +231,11 @@
     private List<YangResolutionInfo> augmentResolutionList;
 
     /**
+     * extension list.
+     */
+    private List<YangExtension> extensionList;
+
+    /**
      * Creates a YANG node of module type.
      */
     public YangModule() {
@@ -247,6 +252,7 @@
         includeList = new LinkedList<YangInclude>();
         listOfLeaf = new LinkedList<YangLeaf>();
         listOfLeafList = new LinkedList<YangLeafList>();
+        extensionList = new LinkedList<YangExtension>();
     }
 
     /**
@@ -557,6 +563,33 @@
     }
 
     /**
+     * Adds extension in extension list.
+     *
+     * @param extension the extension to be added
+     */
+    public void addExtension(YangExtension extension) {
+        getExtensionList().add(extension);
+    }
+
+    /**
+     * Returns the extension list.
+     *
+     * @return the extension list
+     */
+    public List<YangExtension> getExtensionList() {
+        return extensionList;
+    }
+
+    /**
+     * Sets the extension list.
+     *
+     * @param extensionList the list of extension
+     */
+    public void setExtensionList(List<YangExtension> extensionList) {
+        this.extensionList = extensionList;
+    }
+
+    /**
      * Returns the type of the parsed data.
      *
      * @return returns MODULE_DATA
@@ -639,7 +672,7 @@
             leafrefResolutionList.add(resolutionInfo);
         } else if (type == ResolvableType.YANG_BASE) {
             baseResolutionList.add(resolutionInfo);
-        } else if (type ==  ResolvableType.YANG_AUGMENT) {
+        } else if (type == ResolvableType.YANG_AUGMENT) {
             augmentResolutionList.add(resolutionInfo);
         } else if (type == ResolvableType.YANG_IDENTITYREF) {
             identityrefResolutionList.add(resolutionInfo);
@@ -659,7 +692,7 @@
             leafrefResolutionList = resolutionList;
         } else if (type == ResolvableType.YANG_BASE) {
             baseResolutionList = resolutionList;
-        } else if (type ==  ResolvableType.YANG_AUGMENT) {
+        } else if (type == ResolvableType.YANG_AUGMENT) {
             augmentResolutionList = resolutionList;
         } else if (type == ResolvableType.YANG_IDENTITYREF) {
             identityrefResolutionList = resolutionList;