(a) the details of posts sanctioned/earmarked for group C and D in Railways for each of the last three years zone-wise;  (b) the details of posts laying vacant in group C and D staff of Railways, zone-wise;  (c) the criteria adopted by Railways to fill the above posts; and  (d) the reasons for delay in filling up vacancies in group C and D category alongwith the steps taken by Railways in this regard? ANSWER MINISTER OF THE STATE IN THE MINISTRY OF RAILWAYS (SHRI K.H. MUNIYAPPA)  (a) to (d) A statement is attached.