Modi Hyundai — New creta accessories issue

Address:

Thane

My Reverse camera is not working from last one and hlf month which is been fitted by Modi Hyundai with extra accessories my car is been to service centre twice but they are saying please contact your showroom from where you have bought the accessories also silver skirting which is been bought as extra accessories is been removed

I have contacted sales person from modi hyundai Mr dhiraj Punjabi but he is least bothered about my concern this incident is really frustrating me plz do the needful at the earliest