Please check the welcome mail that you recd. when you signed up for the hosting account with us for the control panel access details.
On Windows servers, it is normally http://cp.yourdomain.com and
On Linux Servers (cPanel) control panel can be accessed at http://www.yourdomain.com/cpanel and WHM (Reseller Account) at http://www.yourdomain.com/whm/
Kindly replace yourdomain.com with your real domain name.