Myntra - ORDER CANCELLED AFTER 40 DAYS

Myntra has advertised with End of Reason Sale between **.**.**** to **.**.**** with discounts. Accordingly, I have placed various orders for purchase of clothes and gold coins. However, after placing the orders and before delivery, Myntra has cancelled all my orders after ** days;
Order ID # ******* ************** - Amount Rs. *****/-
Order ID # ******* ************** - Amount Rs. *****/-
Order ID # ******* ************** - Amount Rs. ****/- (they cancelled the order, however after raising the compliant, they reorders few items in the order with the same price, remaining items they are not responding).
I paid the amount through my credit card and last ** days paid the interest for the amount used, however myntra has used my money for their operational purpose and cancelled the orders and refunding after ** days. In the meanwhile, the price of the product also increased each by Rs. ****/-.

In the form of fake advertisements, they are making the customers to order the products and refunding after ** days. Similar kind of compliants also raised by other customers in the social media networks. Please help me in buying the same product with the same amount as advertised by Myntra.

Order has been cancelled after ** days of ordering. I placed the order through my credit card.

Who will pay the interest on my credit card @**% for last ** days???

Who will bear the cost of reordering the product with higher price (totally about ****/-) ???

I am totally frustrated with the treatment given by MYNTRA.

THIS IS TOTALLY UNFAIR MEANS OF TRADE PRACTICE.

I AM GOING TO FILE A COMPLIANT WITH CONSUMER FORUM FOR THE MENTAL AGONY WHICH I AM FACING DUE TO LETHARGIC ATTITUDE OF MYNTRA MANAGEMENT TEAM AND TAKEN MY HARD EARNED MONEY AND KEPT FOR MORE THAN ** DAYS WITH FAKE OFFERS AND SUBSEQUENTLY CANCELLING IT WITHOUT ANY REASON.