Duniya me kisi bhi Developed Railway System me ab Brake Van ka istemaal nahi hota hai, waha ki trains ka SANCHAALAN prabhavit nahi hota kya? Humari baato pe sanka ho to Youtube pe Duniya ki longest freight trains ka video Dekh lijiye, Brake van nahi milega. Inhe dar hai ki kahi ise tarah automation hoga to kahi bhavisya me inki naukri na chali jaye, yehi ek matra reason hai aur kuch nahi. Ye union waale jub bhi new technology laane ki baat hoti hai to virodh ki karte hai.