Swapnil Patni Classes - Package Not Delivered

I ordered Online classes for CA FInal from Swapnil Patni's Classes on **th Nov **** and made payment in their favour on the same date for Rs **,*** /-.
Usually the product is delivered n *-* days max, so once it was **th Nov, i called Swapnil Patni's Classes on the contact number provided on their website. The attendant told me that the package will be dispatched that day itself.
Since then i have called Swapnil Patni's Classes on **st and **rd Nov too but in vain.
They always give a careless answer that it'll be dispatched on that day itself, but i haven't received the product yet.
Payment was made on **th Nov and Today is **th Nov. The vendor is not dispatching the product and is highly unprofessional.