Xiaomi India — product not functionally properly. hanging issue

Address:

Bangalore, Karnataka, 333023

I purchase redmi note 4. 32 gb on 15 feb 2017 by flipcart.. After 2 month phone not doing function properly (Hanging problem).. So i snd phone at service centre mi store ahmedabad - memco (Gujrat) but service centre employee return to my phone after 5 days doing reset only... So after 1 month its doing function vry bad & hanging problem vry much... I also complaint at customer care.. My complaint no.[protected] but not found any solution.. Pls help me..