Xiomi India — My camera problem

I brought a red mi 2 mobile in oct 2015. This year may my phone camera is stop working. When i dipposit my phone jun-1 in mi exclusive service centre, kharabel nagar, unit - 3, bhubaneswar. She told ur phone motherboard problem. She told me your phone hanover u in june 15, but till date my phone is not repaired. When i asked she told me u asked our toll free no. When i asked in toll free no his senior repressantetive told sorry sir company do not provide sufficient parts us.