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diff --git a/common/python/rift/mano/dts/subscriber/ns_subscriber.py b/common/python/rift/mano/dts/subscriber/ns_subscriber.py
new file mode 100644
index 00000000..1078e853
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+++ b/common/python/rift/mano/dts/subscriber/ns_subscriber.py
@@ -0,0 +1,52 @@
+"""
+# 
+#   Copyright 2016 RIFT.IO Inc
+#
+#   Licensed under the Apache License, Version 2.0 (the "License");
+#   you may not use this file except in compliance with the License.
+#   You may obtain a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+#   Unless required by applicable law or agreed to in writing, software
+#   distributed under the License is distributed on an "AS IS" BASIS,
+#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#   See the License for the specific language governing permissions and
+#   limitations under the License.
+#
+
+@file ns_subscriber.py
+@author Varun Prasad (varun.prasad@riftio.com)
+@date 09-Jul-2016
+
+"""
+
+import gi
+gi.require_version('RwDts', '1.0')
+from gi.repository import RwDts as rwdts
+
+from . import core
+
+
+class NsrCatalogSubscriber(core.AbstractOpdataSubscriber):
+    """Nsr Listener """
+
+    def key_name(self):
+        return "ns_instance_config_ref"
+
+    def get_reg_flags(self):
+        # Hack to around DTS issue with NSR and RwNsr
+        return rwdts.Flag.SUBSCRIBER|rwdts.Flag.DELTA_READY
+
+    def get_xpath(self):
+        return "D,/nsr:ns-instance-opdata/nsr:nsr"
+
+
+class NsdCatalogSubscriber(core.AbstractConfigSubscriber):
+    """ The network service descriptor DTS handler """
+
+    def key_name(self):
+        return "id"
+
+    def get_xpath(self):
+        return "C,/nsd:nsd-catalog/nsd:nsd"