| Sl.No. | Letter
Issued By | Dated | Subject | Letter No. | Download Link |
| 1.1 | Rly.Bd. | 19.09.2023 | Implementation of "Rail-Road Crossing GAD Approval System" for State Governments & UTs. | 2015/CE-IV/ROB/78 (RORACS) | Click here |
| 1.2 | Rly.Bd. | 21.04.2022 | Standard Procedure Order for ESP, SIP & GAD approval in Zonal Railways | 2017/CE-I/CT/13/Procedure Simplification | Click here |
| 1.3 | RDSO | 04.02.2022 | Checklist for preparation of GAD of Railway Bridges (Revision-1). | CBS/DBR/IMP/Policy | Click here |
| 1.4 | Rly.Bd. | 19.07.2021 | Approval of GADs and Design of Bridges being constructed by PSUs | 2021/2/CE/III/BR/1/Bridge Policy | Click here |
| 1.5 | Rly.Bd. | 17.05.2021 | Approval of Bridge Drawings/Designs for Bridge works being executed by Railway and Other PSUs/Organizations. | 2O21 I 2 | CEIII/BR/1/Bridge Policy | Click here |
| 1.6 | ESO-91
PCE/SC | 08.02.2021 | Preparation of GADs and Completion Drawings of Bridges. | Engineering Standard Order No.91 | Click here |
| 1.7 | CBE/SC | 14-12-2017 | Elimination of existing STC bridges -Doubling Projects -Reg | W.71/Bridge Policy | Click here |
| 1.8 | Rly.Bd. | 09.03.2017 | Approval of Design Basis of Important Bridges by RDSO. | 2014/CE/III/BR/1/Bridge Policy. | Click here |
| 1.9 | Rly.Bd. | 21.04.2015 | Span arrangement of Railway Bridges | 2014/CE/III/BR/1/Bridge Policy. | Click here |
| 1.10 | Rly.Bd. | 17.05.2013 | Definition of "Affecting Existing Bridges"- CBE approval . | 99/CE-I/Misc/23(IRBM) Pt I | Click here |
