diff --git a/api/migrations/0007_alter_user_mobile.py b/api/migrations/0007_alter_user_mobile.py
new file mode 100644
index 0000000..b6859d5
--- /dev/null
+++ b/api/migrations/0007_alter_user_mobile.py
@@ -0,0 +1,18 @@
+# Generated by Django 5.1.2 on 2025-03-24 10:27
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("api", "0006_alter_user_mobile"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="user",
+            name="mobile",
+            field=models.CharField(blank=True, default=1, max_length=255, unique=True),
+            preserve_default=False,
+        ),
+    ]
diff --git a/api/migrations/0008_alter_user_mobile.py b/api/migrations/0008_alter_user_mobile.py
new file mode 100644
index 0000000..0eac26f
--- /dev/null
+++ b/api/migrations/0008_alter_user_mobile.py
@@ -0,0 +1,17 @@
+# Generated by Django 5.1.2 on 2025-03-24 10:28
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("api", "0007_alter_user_mobile"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="user",
+            name="mobile",
+            field=models.CharField(blank=True, default=0, max_length=255, unique=True),
+        ),
+    ]
diff --git a/api/models.py b/api/models.py
index fd753b1..9255b3f 100644
--- a/api/models.py
+++ b/api/models.py
@@ -11,7 +11,7 @@ from django.utils import timezone
 class User(AbstractUser):
     email = models.EmailField(unique=True, blank=True, null=True)
     address = models.CharField(max_length=255, blank=True)
-    mobile = models.CharField(max_length=255, blank=True, unique=True)
+    mobile = models.CharField(max_length=255, blank=True, unique=True, default=0)
     designation = models.CharField(max_length=255, blank=True)
     acc_no = models.CharField(max_length=255, blank=True)
     id_card = models.CharField(max_length=255, blank=True)