| 2020 | ||
|---|---|---|
| Letter No. | Date | Subject |
| 2013/Sig/G/2/RDSO | 09.03.2020 | Provision of Signals on Gantry |
| 2019/Sig/26-A/SCR/04 | 01.05.2020 | Starter Indicators at Platforms |
| 2019 | ||
| 2018/Sig/31/11-RE- Matters. | 05.02.2019 | Special requirement of Signaling in 25 KV AC RE Area- Maximum permissible length of Direct Feeding of Signals in case of LED Lamps. |
| 2017/Sig/SEM-II/Misc | 12.09.2019 | Condonation of Signal Locations having less spacing between OHE structure and Signal Post |
| 2017 | ||
| 2017/Sig/2/Double Distant Aspect. | 05.05.2017 | Display of Top Yellow in case of blanking of Bottom Yellow (Caution Aspect) for Inner distant signal in double distant signal. |
| 2015 | ||
| 2015/Sig/84th SSC Meeting | 05.11.2015 | 84th Signal Standards Committee Meeting. |
| 2008 | ||
| 2001/SIG/SGF/12(LED) | 07.10.2008 | LED Signal |
| Source : Ministry of Railways (Railway Board) CMS Team Last Reviewed on: 03-03-2023 | ||