Irctc — Very bad maintenance of 3rd A/C Coaches; Kanyakumari superfast express

During my travel from NCJ to MS on Jan 30th 2015 in three tier AC Coach B1 (coach no. SW12112) as the wheels of that coach was flat (due to rubbing / worn out reasons and poor maintenance) it was creating heavy vibration inside the berth and the whole night the travel was hell. I spoke to one of the employee of railways and he confirmed the poor maintenance of wheels due to which the rail was also getting damaged. Hope the concerned authorities will look into the matter.