Amazon India — I received an empty packet instead of baby pram

Website:

Amazon.in

This is regarding order[protected] cost Rs 3365.
This order had multiple items.
I received such a small packet and got message tgat otem is delivered. But it was small packet with cardboards in it no pram, it was empty .After complaining add also we didnt got refund .There was no investigation done still they are saying acc to investigation order is delivered.This is not at all expected from Amazon .this amount is not less. Hiw could they deliver empty packet and what investigation they have dkne.Customer care is not all ready to help in this matter.packet also shws tgat it has 8 kg parcel.how can someone put baby pram in such a small packet.