diff --git a/base/constants.py b/base/constants.py
index e38cb29..7efdb8b 100644
--- a/base/constants.py
+++ b/base/constants.py
@@ -112,7 +112,7 @@ MAX_ARTICLE_CARD = 6
 MIN_ARTICLE_SURVEY = 5
 MAX_ARTICLE_SURVEY = 10
 
-# real time url
-time_url = "http://worldtimeapi.org/api/timezone/Asia/Riyadh"
+# already register
+Already_register_user = "duplicate key value violates unique constraint"
 
 ARTICLE_CARD_IMAGE_FOLDER = 'article-card-images'
diff --git a/guardian/serializers.py b/guardian/serializers.py
index 65dd1ea..172ccc4 100644
--- a/guardian/serializers.py
+++ b/guardian/serializers.py
@@ -22,7 +22,7 @@ from account.models import UserProfile, UserEmailOtp, UserNotification
 from account.utils import generate_code
 from junior.serializers import JuniorDetailSerializer
 from base.messages import ERROR_CODE, SUCCESS_CODE
-from base.constants import NUMBER, JUN, ZOD, GRD
+from base.constants import NUMBER, JUN, ZOD, GRD, Already_register_user
 from junior.models import Junior, JuniorPoints, JuniorGuardianRelationship
 from .utils import real_time, convert_timedelta_into_datetime, update_referral_points
 # notification's constant
@@ -83,7 +83,7 @@ class UserSerializer(serializers.ModelSerializer):
             otp_verified = False
             if otp and otp.is_verified:
                 otp_verified = True
-            raise serializers.ValidationError({"details":ERROR_CODE['2021'], "otp_verified":bool(otp_verified),
+            raise serializers.ValidationError({"details": ERROR_CODE['2021'], "otp_verified":bool(otp_verified),
                                                "code": 400, "status":"failed",
                                                })
 
diff --git a/guardian/utils.py b/guardian/utils.py
index 9a6ae05..57e8080 100644
--- a/guardian/utils.py
+++ b/guardian/utils.py
@@ -11,7 +11,7 @@ import tempfile
 # Import date time module's function
 from datetime import datetime, time
 # import Number constant
-from base.constants import NUMBER, time_url
+from base.constants import NUMBER
 # Import Junior's model
 from junior.models import Junior, JuniorPoints
 # Import guardian's model
diff --git a/guardian/views.py b/guardian/views.py
index 3e265b0..75a16ff 100644
--- a/guardian/views.py
+++ b/guardian/views.py
@@ -10,7 +10,6 @@ from rest_framework.permissions import IsAuthenticated
 from rest_framework import viewsets, status
 from rest_framework.pagination import PageNumberPagination
 from django.contrib.auth.models import User
-from django.utils import timezone
 
 # Import guardian's model,
 # Import junior's model,
@@ -57,29 +56,26 @@ class SignupViewset(viewsets.ModelViewSet):
     serializer_class = UserSerializer
     def create(self, request, *args, **kwargs):
         """Create user profile"""
-        try:
-            if request.data['user_type'] in [str(NUMBER['one']), str(NUMBER['two'])]:
-                serializer = UserSerializer(context=request.data['user_type'], data=request.data)
-                if serializer.is_valid():
-                    user = serializer.save()
-                    """Generate otp"""
-                    otp = generate_otp()
-                    # expire otp after 1 day
-                    expiry = OTP_EXPIRY
-                    # create user email otp object
-                    UserEmailOtp.objects.create(email=request.data['email'], otp=otp,
-                                                user_type=str(request.data['user_type']), expired_at=expiry)
-                    """Send email to the register user"""
-                    send_otp_email(request.data['email'], otp)
-                    # send push notification for registration
-                    send_notification.delay(REGISTRATION, None, user.id, {})
-                    return custom_response(SUCCESS_CODE['3001'],
-                                           response_status=status.HTTP_200_OK)
-                return custom_error_response(serializer.errors, response_status=status.HTTP_400_BAD_REQUEST)
-            else:
-                return custom_error_response(ERROR_CODE['2028'], response_status=status.HTTP_400_BAD_REQUEST)
-        except Exception as e:
-            return custom_error_response(str(e), response_status=status.HTTP_400_BAD_REQUEST)
+        if request.data['user_type'] in [str(NUMBER['one']), str(NUMBER['two'])]:
+            serializer = UserSerializer(context=request.data['user_type'], data=request.data)
+            if serializer.is_valid():
+                user = serializer.save()
+                """Generate otp"""
+                otp = generate_otp()
+                # expire otp after 1 day
+                expiry = OTP_EXPIRY
+                # create user email otp object
+                UserEmailOtp.objects.create(email=request.data['email'], otp=otp,
+                                            user_type=str(request.data['user_type']), expired_at=expiry)
+                """Send email to the register user"""
+                send_otp_email(request.data['email'], otp)
+                # send push notification for registration
+                send_notification.delay(REGISTRATION, None, user.id, {})
+                return custom_response(SUCCESS_CODE['3001'],
+                                       response_status=status.HTTP_200_OK)
+            return custom_error_response(serializer.errors, response_status=status.HTTP_400_BAD_REQUEST)
+        else:
+            return custom_error_response(ERROR_CODE['2028'], response_status=status.HTTP_400_BAD_REQUEST)
 
 class UpdateGuardianProfile(viewsets.ViewSet):
     """Update guardian profile"""