Xiaomi India — Return mi max

Address:

Bangalore, Karnataka, 302018

I have bought mi max and it was delivered to me yesterday but metal body is loose from joints and also giving current. Phones battery is draining so fast. Also it is hanging. Phone automatically get switch off after using for 10 mins only. I want to return this phone and wanna buy another mi phone. Pls help me. I don't want this cheap set in such huge amount.