| Letter No. | Date | Subject |
|---|---|---|
| 2025 | ||
| 2025/S&T/Dev/Kavach/Corres | 20.08.2025 | Circulation of Important MoMs & JPO |
| 2023/S&T/Dev/RDSO.Corres- Part(1) | 22.07.2025 | Designation of RDSO as the Nodal Agency for Standardization and Optimization of Parameters for OEM- Specific braking Algorithms in Kavach System |
| 2023/S&T/Dev/Kavach Corres | 21.07.2025 | Process of initial survey for Kavach System Design Inputs |
| 2023/S&T/Dev/Kavach Corres-Part (1) | 11.04.2025 | Implementation of Measures Related to Kavach System. |
| 2024/S&T/Dev/Maintenance Policy | 17.01.2025 | Streamlining of Maintenance activity for assets created under Kavach Project |
| 2024 | ||
| 2023/S&T/Dev/Kavach.Corres. | 04.09.24 | Implementation of Kavach System on Indian Railways. |
| 2023/S&T/Dev/Kavach.Corres. | 09.08.2024 | Implementation of Kavach System on Indian Railways in Mission Mode. |
| 2020/Sig/TCAS/Estimates | 29.05.2024 | Signalling Alteration/Modification works in existing/proposed Kavach territory |
| 2023 | ||
| 2021/Sig/TCAS | 04.10.2023 | Kavach Working Group |
| 2023/S&T/Dev/Kavach Corrres | 11.09.2023 | Advance execution of Infrastructure works Towers, OFC, Buildings & Feeder Power Supply on GQ, GD routes. |
| 2020/Sig/TCAS/Development | 04.07.2023 | Sections identified for survey of Kavach on GQ/GD Routes. |
| 2020/Sig/IRISET | 31.05.2023 | Special courses on ‘Kavach’ for Dy.CSTEs/Sr.DSTEs |
| 2020/Sig/TCAS/Estimates (e3316629) | 18.05.2023 | Components of Kavach/CTC inclusion in yard remodeling/ABS/LC gate/Signalling works |
| 2022/Sig/33/1/SEM/Misc | 31.03.2023 | Addendum and Corrigendum Slip No. 1 of the IRSEM, July 2021 – Para no. 9.2.1, 9.2.2, 22.3.1 |
| 2022 | ||
| 2021/Sig/Committee/KavachmaintenanceCost | 31.01.2022 | EPC Tender for provision of TCAS in New Delhi Mumbai, New Delhi Howrah sections and other section of IR. |
| 2021 | ||
| 2013/Sig/TCAS/status | 18.01.2021 | EPC Tender for provision of TCAS in new Delhi –Mumbai, New Delhi- Howrah sections and other sections of IR. |
| 2014/Sig/ATP/IR | 18.02.2021 | Approved scheme for TCAS & Automatic Signalling. |
| 2014/Sig/ATP/IR | 19.02.2021 | Committee for interoperability of features between TCAS & ETCS level-2 |
| 2014/Sig/TPWS/160 kmph/Pt./loose | 30.03.2021 | Raising speed to 160 kmph on new Delhi-Mumbai central route. |
| 2020 | ||
| 2016/Sig/Modernisation | 02.01.2020 | Provision of Modern Automatic Train Protection System. |
| 2013/Sig/TCAS/Status | 16.01.2020 | Request for approval for engaging consultancy services at international level to develop interoperability between ETCS Level-2 and TCAS and other requirement for Indian Railways. |
| 2013/Sig/TCAS/status | 30.01.2020 | Execution of works of TCAS on 1200 km on SCR- Monitoring. |
| 2019/Sig/17/36/ETCS L-2(e-3304767) | 17.04.2020 | Applying for associate membership of EULYNX for designing of Interface between EI/Relay Interlocking and RBC in the project of ETCS L-2 |
| 2019 | ||
| 2014/Sig/TPWS/160KMPH/Loose | 09.10.2019 | Signalling and Telecommunication works in connection with raising of speed to 160 KMPH in Delhi- Mumbai and Delhi –Kolkata Section preparation of Detailed Estimates |
| 2017/Sig/Modernization Signalling | 24.10.2019 | Organizing Technical Workshop on Automatic Train Protection (ATP) System with special focus on ETCS Level-2. |
| 2014/Sig/TPWS/160 KMPH/Loose | 28.10.19 | Signalling and Telecommunication works in connection with raising of speed to 160 KMPH in Delhi – Mumbai and Delhi – Kolkata Sections – preparation of Detailed Estimate. |
| 2017/Sig/Modernization/Signaling | 31.10.2019 | Sanction of Signalling project deliberated in 34th GCM. |
| 2019/Sig/17/36/ETCS L-2 | 13.11.2019 | Interoperability of TCAS and ETCS Level-2 ATP Systems. |
| 2017/Sig/Modernization/Signalling | 22.11.2019 | Points notes during Hon’ble MR’s interaction with Member of Railway Board on 06.11.2019 |
| 2019/AM(Sig)/Insp Note/1 | 29.11.2019 | Recorded Note on CBTC with AM (SIG),Railway Board during the discussion held on 16.11.2019 at MRVC. |
| 2019/Sig/17/36/ETCS L-2 | 04.12.2019 | Inter –Operability of TCAS and ETCS Level-2 ATP System. |
| 2017/Sig Modernization | 10.12.2019 | Pilot Project of Provision ETCS Level-2 on four Sections of Indian Railway. |
| 2017 | ||
| 2013/Sig/TCAS/Status | 12.05.2017 | Field trial for development of TCAS: E70 & CCB type brake interfaced Locos (WAP-5) at speeds up to 160 KMPH. |
| 2014/Signal/PMO | 07.07.2017 | Inclusion of proposal of TPWS works (ETCS L-I) for Trunk routes in works programme 2018-19. |
| 2016 | ||
| 2016/Mobility(S&T)/9/1 | 29/31.08.2016 | Mission Raftaar - Data for Signalling Asset Reliability and Road Map. |
| 2015 | ||
| 2013/Sig/TPWS | 17.03.2015 | Execution of sanctioned TPWS works on Indian Railways. |
| 2013/Sig/TPWS. | 22.06.2015 | Provision of Train Protection & Warning System (TPWS) based on ETCL-1 Technology. |
| 2010 | ||
| 2010/Sig/OBTPS | 27.09.2010 | On Board Train Protection System. |
| 2005/Sig./TPWS/1(DLI-AGC)/Vol.II | 12.10.2010 | TPWS projects on Railways. |
| Source : Ministry of Railways (Railway Board) CMS Team Last Reviewed on: 30-09-2025 | ||