Ordered cancelled by themselves

Hii my name is vijay
on 09 dec i have ordered a redmi note mobile n made payment through credit card successfully to order this mobile they set a procedure that a customer should register n have to book a order. so i have registered n waited for one week n hardly order the item because they have a procedure that have to order the material by tueday 2pm (Dec 9) so i took leave for my work n hardly placed the order in the rush iand i was happy that i have ordered succefully and they sent a mail that your order has been placed and u will be receiving the item by dec 15 through ekart. now the problem asise when i was expecting the order they simply send a message that ur order has been cancelled due to demand of the product by dec 11 at evening . i dont know one thing then why the hell they having this procedure that register n place the order n after placing successfully the order why the hell they cancelling my order without asking me . who they hell they wasting my time and i took a leave for my work to order this item . please help to go legally with them its 100% thier blunder mistake here i have attached my proofs please take action on flipkart and do me needful
order No : OD201497611746848600.
order placed date : dec 2 2014