Tata Motors — Rear twist beam

Address:

Apex motors sangrama baramulla

I went to service of my car at apex motors sangrama there the technician told me that your rear twist beam is cracked... He admitted that this is companies manufacturing fault as they are continuously receiving same issues with tata cars.. When I contacted the manager he told they can only provide me 5 percent discount and labour charge but please tell me if this is fault of company why they are giving me only 5 percent concession please tell me what to do...