Railway Group D jobs qualification:- Candidates must be 10th pass or should possess an ITI diploma from a recognized university or institute. Railway Group D jobs Selection Procedure: Get complete details of Railway Recruitment Cell (RRC) Group D level post-selection procedure such as Porter, Helper, Trackman, Gangman, Helper-II (Mechanical), Helper-II (S&T), Helper-II (Elect), Gr. ‘D’ (Engineer) and Gr. ‘D’ (Store).