urlpatterns = [
    ...
    path('signup', views.Sign_up,name="signup"),
    ...
]

<form class="signup-form initial-signup-form gtm_signup_register_form" action="." accept-charset="UTF-8" method="POST">
...
</form>

def Sign_up(request):
    Fname = request.POST.get("first_name")
    Lname = request.POST.get("last_name")
    Mno = request.POST.get("Mobile")
    email = request.POST.get("email")
    Pass = request.POST.get("pass")
    Role = request.POST.get("role")
    Loc = request.POST.get("self_loc")

    if request.method == "POST":
        userM = UserManager()
        if Role=="Consumer":
            userV= userM.create_user(Mno,Role,Pass)
        else:
            userV= userM.create_staffuser(Mno,Role,Pass)
        userV.first_name=Fname
        userV.last_name=Lname
        userV.email=email
        userV.location=Loc
        return render(request, "home.html", {})
    else:
        return render(request, "registration/signup.html", {})

def Login_view(request):
    print(request.method)
    if request.method == "POST":
        Uname = request.POST.get("Mobile")
        PassW = request.POST.get("password")
        print(Uname, PassW)
        user = authenticate(mobile_no = Uname, password=PassW)
        if user:
            if user.is_active:
                login(request,user)
                if user.is_staff:
                    return HttpResponseRedirect(reverse('index'))
                else:
                    return HttpResponseRedirect(reverse('home'))
            else:
                return HttpResponse("Account Not Active")
        else:
            print("Someone tried to login and failed")
            print("Mobile_no: {} and password {}".format(Uname,PassW))
            return HttpResponse("invalid login details supplied!")
    else:
        return render(request,"registration/login.html", {})