Xiaomi India — On date in sell I booked a head phone but now refuse and say the out of stocck

Address:	Bhavnagar, Gujarat, 364001
Website:	www.miui india.com

I am Nilesh B Trivedi from Bhavnagar city Gujarat state. Today on 4/11/2015 at 10:00/a.m in your Diwali with MI. Sceam. I booked a hends free and put in cart. Then I show after a minute there is a sentence of out of stock but my item yet show in cart. Please give me a proceeding payment procedure. Otherwise it's is cheating with customer and I go with legal in consumer protection. Your customer N.B.Trivedi.