form_is.valid is false(django) - django-forms

Question

I have the below code which is inheriting from models for modelform, but failing to pass the condition for valid.
Model.py
class contact(models.Model):
fname = models.CharField(max_length=100)
lname = models.CharField(max_length=100)
email = models.EmailField()
phone = models.IntegerField()
message = models.CharField(max_length=100)
def __str__(self):
return self.fname
urls.py
urlpatterns = [
url(r'^$', 'asp.views.index', name='root'),
url(r'^contact/', 'asp.views.contact', name='contact'),
url(r'^new$', 'asp.views.new_user', name='new'),
url(r'^admin/', include(admin.site.urls)),
]
where asp is my application
def contact(request):
return render(request, "contact.html", {})
def new_user(request):
print( '$' * 100)
if request.method == 'POST':
form = contactform(request.POST or None)
print( '*' * 10)
if form.is_valid():
print( '!' * 10)
else:
form = contactform()
return render(request, "index.html", {'form':form})
For which $,* was printing, but not passing the condition for valid.
forms.py
class contactform(forms.ModelForm):
class Meta:
model = contact
exclude = ()
Below is my html page
<form class="form-horizontal" action="/new" method="post">{% csrf_token %}
{{ form }}
<fieldset>
<legend class="text-center header">Contact us</legend>
<div class="form-group">
<div class="col-md-10 col-md-offset-1">
<input id="fname" name="name" type="text" placeholder="First Name" class="form-control">
</div>
</div>
<div class="form-group">
<div class="col-md-10 col-md-offset-1">
<input id="lname" name="name" type="text" placeholder="Last Name" class="form-control">
</div>
</div>
<div class="form-group">
<div class="col-md-10 col-md-offset-1">
<input id="email" name="email" type="text" placeholder="Email Address" class="form-control">
</div>
</div>
<div class="form-group">
<div class="col-md-10 col-md-offset-1">
<input id="phone" name="phone" type="text" placeholder="Phone" class="form-control">
</div>
</div>
<div class="form-group">
<div class="col-md-10 col-md-offset-1">
<textarea class="form-control" id="message" name="message" placeholder="Enter your massage for us here. We will get back to you within 2 business days." rows="7"></textarea>
</div>
</div>
</fieldset>
</form>
Thanks in advance.