Amazon India — Fake product price and cancellation

Dear Sir/Madam,
On Amazon e commerce app, gold price is shown less than the market price and on top of it, they will attract customers with discount using credit cards.
After seeing the final price, when a order is placed and payment is made using credit/debit card. One fine day, they will cancel the order and to get back the refund, literally we need to argue/fight with customer service personnel. After investing good amount of time, the refund will be credited after two week. By this time, we would be forced to pay the credit card outstanding bill. Also to get the money to the savings account from credit card account, there is a process