News How Officials Reach The Exact Train Compartment When A Chain Is Pulled The vacuum brake coaches have a valve in the top corner. When a passenger pulls the chain, the valve immediately rotates.Post navigationPrevious: Karan Johar Says He Is On A Mission To Get Sara Ali Khan Married: ‘Hope You Find Green Flag Guys…’Next: Former Student Opens Fire in School in Kerala’s Thrissur, No Casualty More Stories News Kerala’s CM Deadlock Is Peak Congress — Ask Rajasthan, Karnataka & MP News ‘Fake Appointments, Fabricated Documents’: CBI Exposes Large-Scale Fraud In Delhi’s Night Shelters News Was Prateek Yadav Poisoned? Samajwadi Leader Claims Doctors Said ‘Not A Normal Death’