2022
Letter No.	Date	Subject
2013/Sig/M/82nd SSC	09.05.2022	Item no. 1159 of 82nd SSC Metg 2012 regarding inclusion of few improvements in specification of Electric Point Machines and Electric Point Motor & adoption of new technology point machines.
2019
STS/E/Motor Operation of NI Points.	07.02.2019	Motor Operation of Non-Interlocked Points.
2018/Sig/SGF/9/Thick Web/Loose	02.04.2019	Issues regarding installation and maintenance of Thick Web Turnouts.
2018/Sig/17/35-Sig cable/1	23.07.2019	Requirement of Cables Relays and point Machines during the FY 2019-20
2018
2010/Sig/SGF/Point Machine	11.06.2018	Provision of Point machine with clamp Lock at Thick web Switches.
2008/Sig/SGF/9/Thick Web	01.11.2018	Issues regarding Thick Web Turn Outs.
2017
2017/Sig/1/Pt.CTT	06.02.2017	Modifications to the Point Operation and Detection Circuits.
2010/SIG/SGF/Point-Machine	29.05.2017	Demand and Scale plan of Point Machine, manufactured by Podanur Workshop, Southern Railway
2013/Sig/Specifications	04.12.2017	Provision of Point Machine with Clamp Lock at Thick Web Switches.
2008
2008/Sig/SGF/9/Thick Web	03.01.2008	Provision of Point Machine with Clamp Lock at Thick Web Switches.
2003/CE-II/TS/2 Pt.1	15.02.2008	Advance correction slip No109 to the Indian Railways Permanent Way Manual -1986 Para -202-(1.)
2007
2007/Sig/H/2/Pt	24.01.2007	Increases of Speed on the Turnouts.
109-SIG/153/9/PM	31.01.2007	Detection scheme for Electrically Operated Points.
2007/Sig/H/2/Pt	09.02.2007	Increases of Speed on the Turnouts.
Track/21/07/0301/7/2/TWS	11.06.2007	Procurement of Thick Web Switches on Indian Railways.
2006
CT/PTX/TO Speed	13.10.2006	Increases of Speed on the Turnouts