Agar aisi.checking regular basis me ho to itna revenue aajayega ki railway KO jyaada fare badaane ki zaroorat nahi padegi.Mumbai se up/Bihar jaane wali train me unreserved coach me 50% aadmi k pass ticket nahi hoti.Zara sochiye 1 trip me aur ek train se.karib 1-2lakh rs nikaala jasakta hai