Xiaomi India — I have purchase mi max 2 and now not work properly

Address:	Rajkot, Gujarat
Website:	Hello I have purchase mi max 2 mobile and now this mobile are not working properly ,some days sim s

Hello
I have purchase mi max 2 mobile and now this mobile are not working properly, some days sim slot is not working and now i have face issue in camera is not working properly so plz help me and resolve my issue bcoz i am face problem in my work so plz resolve that as soon as possible

Thanks
Name, tulsikumar chavda
Mo. No.[protected], [protected]