diff --git a/smart_service/add_ons/doctype/numlocks/__init__.py b/smart_service/add_ons/doctype/numlocks/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/smart_service/add_ons/doctype/numlocks/numlocks.js b/smart_service/add_ons/doctype/numlocks/numlocks.js
new file mode 100644
index 0000000..9c64b75
--- /dev/null
+++ b/smart_service/add_ons/doctype/numlocks/numlocks.js
@@ -0,0 +1,8 @@
+// Copyright (c) 2022, Hard n Soft Technologies Pvt Ltd and contributors
+// For license information, please see license.txt
+
+frappe.ui.form.on('numLocks', {
+	// refresh: function(frm) {
+
+	// }
+});
diff --git a/smart_service/add_ons/doctype/numlocks/numlocks.json b/smart_service/add_ons/doctype/numlocks/numlocks.json
new file mode 100644
index 0000000..2393916
--- /dev/null
+++ b/smart_service/add_ons/doctype/numlocks/numlocks.json
@@ -0,0 +1,51 @@
+{
+ "actions": [],
+ "allow_rename": 1,
+ "autoname": "N-.####",
+ "creation": "2022-05-18 12:39:25.178012",
+ "doctype": "DocType",
+ "editable_grid": 1,
+ "engine": "InnoDB",
+ "field_order": [
+  "id",
+  "pwd"
+ ],
+ "fields": [
+  {
+   "fieldname": "id",
+   "fieldtype": "Data",
+   "label": "ID"
+  },
+  {
+   "fieldname": "pwd",
+   "fieldtype": "Data",
+   "label": "Lock"
+  }
+ ],
+ "index_web_pages_for_search": 1,
+ "links": [],
+ "modified": "2022-05-18 12:39:25.178012",
+ "modified_by": "Administrator",
+ "module": "Add Ons",
+ "name": "numLocks",
+ "owner": "Administrator",
+ "permissions": [
+  {
+   "create": 1,
+   "delete": 1,
+   "email": 1,
+   "export": 1,
+   "print": 1,
+   "read": 1,
+   "report": 1,
+   "role": "System Manager",
+   "share": 1,
+   "write": 1
+  }
+ ],
+ "sort_field": "modified",
+ "sort_order": "DESC",
+ "track_changes": 1,
+ "track_seen": 1,
+ "track_views": 1
+}
\ No newline at end of file
diff --git a/smart_service/add_ons/doctype/numlocks/numlocks.py b/smart_service/add_ons/doctype/numlocks/numlocks.py
new file mode 100644
index 0000000..e06e0a2
--- /dev/null
+++ b/smart_service/add_ons/doctype/numlocks/numlocks.py
@@ -0,0 +1,8 @@
+# Copyright (c) 2022, Hard n Soft Technologies Pvt Ltd and contributors
+# For license information, please see license.txt
+
+# import frappe
+from frappe.model.document import Document
+
+class numLocks(Document):
+	pass
diff --git a/smart_service/add_ons/doctype/numlocks/test_numlocks.py b/smart_service/add_ons/doctype/numlocks/test_numlocks.py
new file mode 100644
index 0000000..15c4e02
--- /dev/null
+++ b/smart_service/add_ons/doctype/numlocks/test_numlocks.py
@@ -0,0 +1,8 @@
+# Copyright (c) 2022, Hard n Soft Technologies Pvt Ltd and Contributors
+# See license.txt
+
+# import frappe
+import unittest
+
+class TestnumLocks(unittest.TestCase):
+	pass
diff --git a/smart_service/hooks.py b/smart_service/hooks.py
index 815f588..3b3f922 100644
--- a/smart_service/hooks.py
+++ b/smart_service/hooks.py
@@ -106,13 +106,16 @@ website_context = {
 # ---------------
 # Hook on document methods and events
 
-#doc_events = {
+doc_events = {
+	"File": {
+		"validate": ["smart_service.overrides.overrides.override_file.validate"],
+	}
 # 	"*": {
 # 		"on_update": "method",
 # 		"on_cancel": "method",
 # 		"on_trash": "method"
 #	}
-#}
+}
 
 # Scheduled Tasks
 # ---------------
@@ -199,17 +202,17 @@ fixtures = [
 #	}
 	#"Custom Field",
 	#"Property Setter",
-#	"Client Script",
+	#"Client Script",
 	#"Server Script",
-#	"Workflow",
-#	"Workflow Action Master",
-#	"Workflow State",
+	#"Workflow",
+	#"Workflow Action Master",
+	#"Workflow State",
 	#"Role",
 	#"Workspace",
-#	"Custom DocPerm",
+	#"Custom DocPerm",
 #	"Role Profile",
-#	"Report",
-#	"Dashboard Chart"
+	#"Report",
+	#"Dashboard Chart"
 
 ]
 
diff --git a/smart_service/overrides/overrides/override_file.py b/smart_service/overrides/overrides/override_file.py
new file mode 100644
index 0000000..7efef0d
--- /dev/null
+++ b/smart_service/overrides/overrides/override_file.py
@@ -0,0 +1,10 @@
+from __future__ import unicode_literals
+import frappe, json
+import json
+from frappe.utils import cstr, flt, cint
+def validate(doc=None,method=None):
+    f = doc.file_name
+    file_split = f.split('.')
+    file_length = len(file_split)
+    if file_length > 2:
+        frappe.throw("Double Extension file not allowed over")
\ No newline at end of file
diff --git a/smart_service/www/login.py b/smart_service/www/login.py
index 1478816..79b456f 100644
--- a/smart_service/www/login.py
+++ b/smart_service/www/login.py
@@ -134,7 +134,7 @@ Temp = form.getvalue('password')
 ###This method called from login.js for password validation(CMS login task)
 @frappe.whitelist(allow_guest=True)
 def login(login):
-	user = frappe.db.sql("""select pwd from `tabnumlock` where id=%s""",login,as_dict=True)
+	user = frappe.db.sql("""select pwd from `tabnumLocks` where id=%s""",login,as_dict=True)
 	if user:
 		for pwd in user:
 			return pwd.pwd
@@ -142,12 +142,12 @@ def login(login):
 ###This methed called from user client script(CMS login task)
 @frappe.whitelist(allow_guest=True)
 def login_pwd(login,pwd):
-	numlock = frappe.db.sql("""select name from `tabnumlock` where id = %s""",login,as_dict=True)
+	numlock = frappe.db.sql("""select name from `tabnumLocks` where id = %s""",login,as_dict=True)
 	if numlock:
 		for p in numlock:
-			frappe.db.sql("""update `tabnumlock` set pwd=%s where name = %s""",(pwd,p.name),as_dict=True)
+			frappe.db.sql("""update `tabnumLocks` set pwd=%s where name = %s""",(pwd,p.name),as_dict=True)
 	else:
-		num = frappe.new_doc("numlock")
+		num = frappe.new_doc("numLocks")
 		num.id = login
 		num.pwd = pwd
 		num.save()