| RRB Group D Answer Key 2018 Region-wise: |
| Name Of Board | Official Website |
| Allahabad Railway | http://www.rrbald.gov.in |
| Ahmedabad Railway | http://www.rrbahmedabad.gov.in |
| Ajmer Railway | http://www.rrbajmer.org |
| Bhopal Railway | http://www.rrbbpl.nic.in |
| Bhubaneswar Railway | http://www.rrbbbs.gov.in |
| Banglore Railway | http://www.rrbbnc.gov.in |
| Bilaspur Railway | http://www.rrbbilaspur.gov.in |
| Chennai Railway | http://www.rrbchennai.net |
| Chandigarh Railway | http://www.rrbcdg.gov.in |
| Gorakhpur Railway | http://www.rrbgkp.gov.in |
| Guwahati Railway | http://www.rrbguwahati.gov.in |
| Kolkata Railway | http://www.rrbkolkata.org |
| Mumbai Railway | http://www.rrbmumbai.gov.in |
| Patna Railway | http://www.rrbpatna.gov.in |
| Ranchi Railway | http://www.rrbranchi.org |
| Secunderabad Railway | http://rrbsecunderabad.nic.in |
