Tata Motors — Braking problem in my car

Address: 395003

My name is dinesh savaliya. My mb no [protected].my mail id [protected]@gmail.com. I have purchased tata tiago xz sept 16. I am facing problem in bracking. It has abs ebd.but serious problem is that when i go to sudden/emergency bracking, bracking makes very rude voice, is distruct the confidence. While 2 free service, i pointed out problem, but it is not yet solved. If due to inefficiency of abs bracking any damage of car or life will happen, then you will be responsible.car chassis no.MAT626181GKH28760 and engine no.1.05LCR02HTYW09561.So feel that is very seriuos problem in bracking systeem. So kindly improve it by company expert.