Updated the documentation

NONRTRIC-111
Change-Id: I0d5f6187ba802018459a4f7989c607a4501f4257
Signed-off-by: Lathish <lathishbabu.ganesan@est.tech>
diff --git a/docs/developer-guide.rst b/docs/developer-guide.rst
index aea9f07..e4c3d8f 100644
--- a/docs/developer-guide.rst
+++ b/docs/developer-guide.rst
@@ -1,10 +1,6 @@
 .. This work is licensed under a Creative Commons Attribution 4.0 International License.
 .. SPDX-License-Identifier: CC-BY-4.0
 
-A1 Mediation:
-1. SDNC Controller
-2. Near-RT RIC Simulator
-
 SDNC A1 Controller Developer Guide
 ==================================
 
@@ -43,6 +39,12 @@
 
 Credentials: admin/Kp8bJ4SXszM0WXlhak3eHlcse2gAw84vaoGGmJvUy2U
 
+Policy Agent
+=====================================
+The O-RAN NonRT RIC PolicyAgent provides a REST API for management of policices. It provides support for: -Supervision of clients (R-APPs) to eliminate stray policies in case of failure -Consistency monitoring of the SMO view of policies and the actual situation in the RICs -Consistency monitoring of RIC capabilities (policy types) -Policy configuration. This includes: -One REST API towards all RICs in the network -Query functions that can find all policies in a RIC, all policies owned by a service (R-APP), all policies of a type etc. -Maps O1 resources (ManagedElement) as defined in O1 to the controlling RIC.
+The PolicyAgent can be accessed over the REST API or throught DMaaP Interface. Please Refer README file of PolicyAgent to know more about the API's.
+
+
 Near-RT RIC Simulator Developer Guide
 =====================================
 
@@ -71,4 +73,4 @@
 
 In order to make a complete end-to-end call, follow the instructions given in this `guide`_.
 
-.. _guide: https://wiki.o-ran-sc.org/pages/viewpage.action?pageId=12157166
\ No newline at end of file
+.. _guide: https://wiki.o-ran-sc.org/pages/viewpage.action?pageId=12157166