Letter No.	Date	Subject
2023
2018/Sig/36-SD/1/Pt.	30.05.2023	Nomination of Committee members for “Standing Committee for standardization of typical circuits for EI and development of SigDATE”
2022
2018/Sig/36-SD/1/Pt	18.11.2022	Nomination of Committee member for “Standardization of typical circuits for EI”.
2020
2018/Sig/36-SD/1	06.01.2020	Standardization of Signalling  Drawings
2018/Sig/7/6-RVNL/1	13.02.2020	Empowering RVNL for approval of Design Documents of S&T installation of Indian Railways
2018/Sig/7/6-RVNL/1(e-3273833)	17.04.2020	Empowering RVNL for approval of Design Documents of S&T installations on IR for Doubling/3rd Line/New Line Projects executed by RVNL
2019
2018/Sig/7/6-RVNL/1	18.02.2019	Empowering RVNL for Approval of design documents of S&T installation under RVNL Projects.
2018/Sig/36-SD/1	20.11.2019	Standardization of S&T Drawings.
2018/Sig/36-SD/1	26.11.2019	Standardization of Signalling Drawing.
2015/Sig/WG/Standardize Layouts	09.12.2019	Standardization of Station Yard Layouts and Signalling Documents.
2018/Sig/36-SD/1	18.12.2019	Uploading of SIP & Roll Diagram.
2015/Sig/WG/Standardise Layouts	26.12.2019	Standardization of Station Yard Layouts and Signalling Documents.
2018/Sig/7/6/RVNL/1	28.10.2019	Emprowering RVNL for Approval of Design documents of S&T installation in BZA-GDV-BVRM-NDD-NS-MTM Doubling,UR-MBNR and MMTS phase ii Dubling Project on South Central Railway.
2017
2015/sig/WG/Standardize layout.	12.07.2017	Standardize of station Yard Layouts and Signalling Documents.
2016/Sig./Drg. Off./1	09.11.2017	Approval of Signal and Interlocking Plan (SIP).
2016
2016/Sig/Drg.off/1	18.04.2016	Review of Drawing office Practices.
2015
2015/Sig/Roll Diagram	03.07.2015	Details of Signalling as on 30.06.2014-Roll Diagrams & System Maps with proper indexing.