Coolpad — Not serviced a mobile handset in coolpad service center indore

Address:	Jabalpur, Madhya Pradesh, 482002
Website:	coolpadindia.com

I have purchased coolpad note 5royal gold from amazon online shopping on january 17.
From day one mobile not worked properly. There many problem arises like hanging and also problem in charging of mobile. Its it's touches not working properly.
When we going to service center of coolpad note5 royal gold in service center indore m. P. With her invoice received from amazon shopping site. They not accept accept handset for servicing and told us that theirs customers care was not accept such type of invoice. Kindly guide us what can we do.