Just a suggestion

While registering the product the site asks for landline number which is 11 digits. Nut since nowadays most of the users will be working and prefer the primary contact to be their mobile, Ur site will cause inconvenience. Even the courier guys will call to landline number which will cause problem if user not present in home…So please instead of making the landline no as primary make the mobile number as primary point of contact.

I agree…