Xiaomi India — Phone not recived for 1 Month and not getting Responce from Red Mi team

Address:	500090
Website:	www.mi.com/in

I Purchased mobile on http://www.mi.com/in/ site for Red Mi 3S prime on 18th Oct and payed the amount 8500/- on the same day through Credit card.Still now I didnt recived the mobile till 17th November and not getting proper responce from Redmi Customer care.I am ready to cancel the product and want money back.But no one people is responding and sharing the correct information still now.Worst customer service from Redmi.Need help to get the money back