Indian Railway, one of the largest rail network in the world and recruits large number of personnel in various cadres. Staff are classified into gazetted ( Group A & B ) and non gazetted ( Group C & D ) employees.
Group A employees is carried out by UPSC through exams conducted by it
The recruitment of C & D employees on the indian railway is done through 19 RRB are controlled by Railway Recruitment Control Board (RRCB).