diff --git a/multi_barcodes_pos/README.rst b/multi_barcodes_pos/README.rst
index 5c9b8fd35..055316a3b 100644
--- a/multi_barcodes_pos/README.rst
+++ b/multi_barcodes_pos/README.rst
@@ -1,20 +1,45 @@
+.. image:: https://img.shields.io/badge/licence-LGPL--3-blue.svg
+    :target: http://www.gnu.org/licenses/lgpl-3.0-standalone.html
+    :alt: License: LGPL-3
+
 POS Product Multi Barcode
 =========================
 Allows to create multiple barcode for a single product.
 
-Installation
-============
-	- www.odoo.com/documentation/16.0/setup/install.html
-	- Install our custom addon
-
 Configuration
 =============
-No additional configurations needed
+No configuration required
+
+Company
+-------
+* `Cybrosys Techno Solutions <https://cybrosys.com/>`__
 
 Credits
-=======
+-------
 Developer:  Risha C.T @ cybrosys, odoo@cybrosys.com
             Viswanth K V14 @ cybrosys, odoo@cybrosys.com
             Viswanth K V15 @ cybrosys, odoo@cybrosys.com
-            Viswanth K V16 @ cybrosys, odoo@cybrosys.com
+            Viswanth K v16 @ cybrosys, odoo@cybrosys.com
+
+Contacts
+-------
+* Mail Contact : odoo@cybrosys.com
+* Website : https://cybrosys.com
+
+Bug Tracker
+-------
+Bugs are tracked on GitHub Issues. In case of trouble, please check there if your issue has already been reported.
+
+Maintainer
+==========
+.. image:: https://cybrosys.com/images/logo.png
+   :target: https://cybrosys.com
+
+This module is maintained by Cybrosys Technologies.
+
+For support and more information, please visit `Our Website <https://cybrosys.com/>`__
+
+Further information
+===================
+HTML Description: `<static/description/index.html>`__
 
diff --git a/multi_barcodes_pos/__manifest__.py b/multi_barcodes_pos/__manifest__.py
index 2648859c9..58e7e8f44 100644
--- a/multi_barcodes_pos/__manifest__.py
+++ b/multi_barcodes_pos/__manifest__.py
@@ -25,7 +25,7 @@
     'name': 'POS Product Multi Barcode',
     'summary': """Allows to create multiple barcode for a single product""",
     'description': """Allows to create multiple barcode for a single product""",
-    'version': '16.0.1.0.0',
+    'version': '16.0.1.0.1',
     'author': 'Cybrosys Techno Solutions',
     'company': 'Cybrosys Techno Solutions',
     'maintainer': 'Cybrosys Techno Solutions',
diff --git a/multi_barcodes_pos/doc/RELEASE_NOTES.md b/multi_barcodes_pos/doc/RELEASE_NOTES.md
index d62e9b2fb..682cb3787 100644
--- a/multi_barcodes_pos/doc/RELEASE_NOTES.md
+++ b/multi_barcodes_pos/doc/RELEASE_NOTES.md
@@ -3,4 +3,9 @@
 #### 21.09.2022
 #### Version 16.0.1.0.0
 ##### ADD
-- Initial commit for POS Multi Barcode Scan
\ No newline at end of file
+- Initial commit for POS Multi Barcode Scan
+
+#### 10.04.2023
+#### Version 16.0.1.0.1
+##### FIX
+- Bug Fix: added validation for the field multi_barcode to avoid duplication of barcodes
\ No newline at end of file
diff --git a/multi_barcodes_pos/models/__init__.py b/multi_barcodes_pos/models/__init__.py
index 7b376b615..b48415a62 100644
--- a/multi_barcodes_pos/models/__init__.py
+++ b/multi_barcodes_pos/models/__init__.py
@@ -21,4 +21,4 @@
 #
 ###################################################################################
 
-from . import product_product
\ No newline at end of file
+from . import product_product
diff --git a/multi_barcodes_pos/models/product_product.py b/multi_barcodes_pos/models/product_product.py
index 37bbe341f..11f00461c 100644
--- a/multi_barcodes_pos/models/product_product.py
+++ b/multi_barcodes_pos/models/product_product.py
@@ -23,7 +23,6 @@
 
 from odoo import models, fields, api
 from odoo.osv import expression
-from odoo.osv.expression import OR
 
 
 class ProductProduct(models.Model):
@@ -88,14 +87,17 @@ class ProductTemplate(models.Model):
 
 class ProductMultiBarcode(models.Model):
     _name = 'multi.barcode.products'
+    _description = 'For creating multiple Barcodes for products'
 
     multi_barcode = fields.Char(string="Barcode",
                                 help="Provide alternate barcodes for this product")
     product_multi = fields.Many2one('product.product')
     template_multi = fields.Many2one('product.template')
 
+    _sql_constraints = [('field_unique', 'unique(multi_barcode)', 'Existing barcode is not allowed !'), ]
+
     def get_barcode_val(self, product):
-        # returns barcode of record in self and product id
+        """returns barcode of record in self and product id"""
         return self.multi_barcode, product
 
 
diff --git a/multi_barcodes_pos/static/src/js/pos_scan.js b/multi_barcodes_pos/static/src/js/pos_scan.js
index eaf133eaf..8c60cf5ea 100644
--- a/multi_barcodes_pos/static/src/js/pos_scan.js
+++ b/multi_barcodes_pos/static/src/js/pos_scan.js
@@ -66,10 +66,6 @@ DB.include({
                 });
             }
 
-
-
-
-
         }
     },
     });
diff --git a/multi_barcodes_pos/views/pos_template.xml b/multi_barcodes_pos/views/pos_template.xml
deleted file mode 100644
index faeea36cb..000000000
--- a/multi_barcodes_pos/views/pos_template.xml
+++ /dev/null
@@ -1,9 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<odoo>
-        <template id="float_price" inherit_id="web.assets_backend" name="Float Price">
-        <xpath expr="." position="inside">
-                <script type="text/javascript"
-                        src="/multi_barcodes_pos/static/src/js/pos_scan.js"/>
-            </xpath>
-        </template>
-</odoo>
\ No newline at end of file
diff --git a/multi_barcodes_pos/views/product_views.xml b/multi_barcodes_pos/views/product_views.xml
index 06437c725..f768fffa1 100644
--- a/multi_barcodes_pos/views/product_views.xml
+++ b/multi_barcodes_pos/views/product_views.xml
@@ -1,3 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
 <odoo>
     <record model="ir.ui.view" id="product_template_form_view_supplier_ean13">
         <field name="name">product.template.ean13</field>