To provide actual tunnel experience to trainees, DMRA has developed true scale tunnel model comprising actual installations of Walkway, ROCS, System cables, Platform sprinkler system, Cross Passage, PTM line, Fire line, Emergency lights, Ballastless track with station platform. This facility has been created to minimise requirement of training in actual tunnels requiring traffic block during night time. Ring building assembly and extrados view have been provided for real time understanding.