Motorola Solutions — moto z display yellow problem

Address:

Kanpur, Uttar Pradesh, 228001

Yellow tint display problem in my moto z android phone under warranty i am going motorola service centre in express road kanpur uttar pradesh and i tell my display problem so service centre says in your display have a minor dent and i checked my display there is no any dent or crack i see minor dent in my glass not in display... So this is not fair