| 2025 | ||
| 2012/SIG/M/7/Gen(DAC)/Pt. | 09.05.25 | Installation of Glued Joint. |
| 2022/Sig/17-SigEquip/DAC | 11.03.2025 | Technical System Application Approval (TSAA) of Digital Axle Counter system installations before commissioning |
| 2024 | ||
| 2020/Sig/12-SFTYMTR/1/CCRS/CRS | 19.01.2024 | Merger of track circuits to manage fouling protection |
| 2021 | ||
| RDSO-SIGOSDAC (CEL)/1/2020 | 02.02.2021 | Mitigation of NCR issue in CEL makes MSDAC. |
| 2020 | ||
| 2012/Sig/Safety Performance/2(pt) | 13.02.2020 | Detection of track on rusty rails |
| 2020/Sig/21/Safety Performance | 07.10.2020 | Improving performance of Track- Avoiding requirement of glued joint based Track Circuits |
| 2019 | ||
| 2019/SIG/PCDO/Misc | 29.11.2019 | Type of Train Detection System. |
| 2012/Sig/M/DAC | 10.12.2019 | Video conference on 13.12.2019 at 15.00 Hrs. |
| 2018 | ||
| 2012/Sig/M/DAC/DD. | 13.04.2018 | Safe & reliable detection-Redundancy in design-Report of Task Force on Safety dt. 10.01.2017. |
| 2012/Sig/M/7/Gen(DAC) | 09.10.2018 | Replacement work of M/s. CEL Software Version S007. |
| 2017 | ||
| 2004/Sig/W/5 | 12.05.2017 | Complete Track Circuiting in Station Yards. |
| 2016/Sig/WS. | 24.07.2017 | Development of SSDAC system by Signalling Production Unit, Byculla. |
| 2004/Sig/W/5/1. | 18.08.2017 | Track Circuiting between FM to FM (berthing Portion) on Main Line. |
| 2016/Sig/SIG/WP/WR/1 | 04.10.2017 | Reporting of progress of the BPAC works in MCDO |
| 2008 | ||
| 2007/SIG/M/7/GEN | 28.08.2008 | Working instructions for use of SS/MS/Digital Axle Counter |
| 2007/SIG/M/5(81st SSC) | 01.10.2008 | Providing IBS in Graded Section. |
| 2007 | ||
| 2003/SIG/M/3/Pt.III(Trails) | 19.01.2007 | Digital Axle Counters-Detection of light Vehicles |
| 2007/SIG/M/7 | 18.06.2007 | Push Trolley Wheels suitable for Digital axle Counter |
| 2007/SIG/M/7 | 20.06.2007 | Push Trolley Wheels suitable for Digital axle Counter. |
| 2007/SIG./M/7. | 31.10.2007 | Reliability improvement measures for Single Section Digital Axle Counter (SSDAC) of M/S CEL Make. |
| 2006 | ||
| 2004/Sig/W/5 | 08.03.2006 | Expeditious completion of track Circuiting Works. |
| 2006/Safety I/23/4 | 21.12.2006 | Status/Action taken on items discussed in board Meetings. |
| 2005 | ||
| 92/Sig/SGE/5-Pt. | 20.04.2005 | Continuous Track Circuiting using Audio Frequency Track Circuiting (AFTC) in electrified sections. |
| 92/Sig/SGF/5-Pt. | 22.11.2005 | Continuous Track Circuiting using Audio Frequency Track Circuiting (AFTC) in electrified area. |
| Source : Ministry of Railways (Railway Board) CMS Team Last Reviewed on: 10-07-2025 | ||