Apple India — complaint for front camera or back side color fade

Address: Gautam Buddh Nagar, Uttar Pradesh, 201301

I need to get my iphone6 replaced. Its within my warranty period. My iphone 6 imei : [protected] this is 2nd time issue because 1 time also my iphone submit in apple service center. But again i faced this problem. I know apple team not expect any market complaint so i requested to replace my iphone within 7 days otherwise i take action to apple company. My contact no. [protected]