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Signal policy

HQ INSTRUCTION/JPO, SAFETY BULLETIN & SIGNAL POLICY

2026

RDSO LETTER(2026)

ECR-HQ0SnT(RBCT) 1 2024 Dt-11.02.26 Letter of Specification for Uninterrupted Power Supply(UPS)
ECR-HQ0SnT(RBCT) 1 2024 Dt-11.02.26 Letter of Specification for Remote Diagnostic and Predictive Maintenance System(RDPMS)Version.
RDSO QAST0LKO412025 DT-22.01.26 Technical advisory note-metal to carbon relays.
RDSO QAST0LKO (MISC) 3 2023 DT-20.01.26 Technical advisory note-LMLA Batteries.

HQ Instruction/Policy/JPO:-

2025

ECR HQ0S&T (POLI) 2 2024 Dt 23.12.25 S&T Policy No. 11 2025 Policy for Replacement of various parts of Electrical Lifting.

ECR S&T SS Vig. HJP Dt-22.12.25 System Improvement guidelines regarding stores handing over and taking over of materials.

ECR-HQ0SnT(MISC) 43 2023 Dt-01.12.25 Correction Slip No. 12 to General & Subsidiary Rule Book of ECR.

ECR-HQ0SnT(CCP)2 2024 Dt-01.12.25 Regarding reporting failure of Siemens make EI.

ECR PS OPERATING BULLETIN 87 505 Dt-27.11.25 OPERATING BULLETIN NO. 04 of 2025.

ECR-HQ0SnT (MISC) 43 2023 Dt-21.11.25 Letter for Regarding multi-lamp route indicator.

ECR HQ0S&T(MISC) Dt-20.11.25 Ring Protection for OFC at EI Auto Hut.

ECR-HQ0S&T(SAFE) 0006 2025 Dt-04.11.25 Letter regarding details of stations having Point operation relays provided in location Boxes.

ECR-HQ0D&T(CCT)2 2024 Dt-17.10.25 Regarding repair of faulty ELD Modules.

ECR S&T MISC Dt-17.10.25 Implementation of RDSO Circuit Version 3.0 for Automatic Signaling Works.

ECR-HQ0D&T(CCT)2 2024 Dt-17.10.25 Purchase of Electric Point Machine for Water logging Area.

ECR-HQ0S&T(OTH) 7 2024 Dt-16.10.25 Group connection and lock bar assembly as per RDSO approved drawing

ECR-HQ0ENGG(TK)162022 Co Dy.CE TO HQ ECR Dt-08.10.25 Joint Procedure Order for Deep Screening of Point & Crossing by BCM

ECR-HQ0S&T(CCT) 2 2024 Dt-13.10.25 Action Plan for Reduction of Track Circuit Failure Because of Water logging.

ECRS&T Kavach-ECR(e-211851)Dt-05.10.25 Issuance of Joint Procedure Order (JPO) for KAVACH Trial between Gaya and Sharmatanr at 160 km for ISA Inspection.

ECR S&T (MISC) Dt-03.10.25 Data logger loggic update for one unit failure

ECR-HQ0SnT00762024 (293454), Dt-25.09.25 JOINT PROCEDURE ORDER (JPO) for fixing of RFID TAGS in KAVACH Territory

ECR S&T DRG Coress 2025 Dt-18.09.25 RB Drive no. 12 availability upkeep of completion interlocking plans at relay rooms.

ECR S&T DRG Coress. 2025 Dt-12.09.2025 Standard drawing of Calling-on Board.

ECR S&T Misc Dt-11.09.2025 Keep the height of A class lighting protection of S&T equipment building more than VHF tower provided at stations and segregation of electricity dirty and clean wiring of S&T equipment.

ECR S&T MISC ,dated 04.09.2025 -Keeping of new or healthy tested spare relay at stations for replacement during failures rectification

ECR HQ0S&T MISC Dt-08.08.2025 Power audit of S&T installation in GC section.

ECR HQ0S&T OTH Dt-28.07.2025 Permission to installed dual detection MSDAC for track detection in Shivpur to Kathaitia of DHN Division.

ECR HQ0S&T POLI 2 Signal Policy No.9 2025 Dt-04.07.2025 Protection of damage to S&T installation on entangling of lifting barrier boom with OHE during boom Dashing.

Signal Policy No. 8 2025 Dt-05.06.2025 regarding Amendment in IPS block diagram 4L (RE),6L (RE )and LC Gate Non RE or RE area.

Signal Policy no.-07 2025 Dt. 02.06.2025 Regarding FDMS being used in ECR.

ECR HQ0S&T Dt-14.05.2025 Irregularities Deficiencies noted during HQ. inspections.

Signal Policy no.- 06 2025 Dt. 30.04.2025 Quarterly testing of Emergency Counters.

Signal Policy No. 05 2025 Dt-30.04.2025 Regarding Low Voltage Disconnect Switch in the IPS.

ECR-HQ0S&T Dt-25.04.2025 Indian railway signal engineering manual (July 2021 edition) addendum and corrigendum slip no.7

Dt-24.04.2025 Letter of Modification to USR 9.12

Signal Policy No. 04 2025 Dt-22.04.2025 Policy for ensuring quality in work audit.

Signal Policy no.-03 2025 Dt.13.03.2025 Regarding AMC of Modern S&T equipment.

Signal Policy No. 2 2025 Dt-13.03.2025 regarding AMC of modern S&T equipment.

Signal Policy No. 01 2025 Dt-18.02.2025 Assurance Register for dissemination of important instruction to all staff.

RDSO LETTER (2025)

RDSO- SIGOHSDC(CEL)12020 Dt-07.11.25 Discontinuation of HASSDAC for future work.

ECR-HQ0S&T(OTH) 7 2024 Dt-13.10.25 Temporary Delisting under RDSO SPN1922019.

RDSO-SIG0LEDS(GEN)1 2021-SIGNAL DIRECTORATE dated 09.09.25 RDSO Standard drawing of Calling on board.

RDSO-SIG0EI(TEN)1 2022 Dt- 23.07.25 TECHNICAL ADVISIRY NOTE 3012 REGARDING EI

ECR-HQ0S&T (RBCT) 1 2024 Dt-22.07.2025 Letter for RDSO SPN 199 2025

ECR-HQ0S&T (RBCT) 1 2024 Dt- 25.06.2025 FUNCTIONAL REQUIREMENT SPECIFICATION FOR Remote Diagnostic and Predictive Maintenance System (RDPMS)(Version 1.0).

ECR-HQ0S&T (OTH) 7 2024 Dt-17.05.205 Extended trial of M S GG tronics make SSDAC HASSDAC wit modified PD1 &PD2 cards having register R50-1.8Kohams and 2.2Kohams.

ECR-HQ0S&T (OTH) 7 2024 Dt-15.05.205 Performance feedback of MS Technologies Pvt. Ltd, Hyderabad for the item LED Signal lamp for main Colour light as per specification no RDSOSPN 1992010.

RDSO-TELE0LKO(TECH) 1 2021 Dt-15.05.2025 Final Draft Amendment amendment for permanently lubricated HPDE Duct specification No. RDSO SPN TC 45 2013 revision.

RDSO-QAST0LKO(VEND) 19 2024 Dt-09.05.2025 Draft Specification of earth leakage detection and earth fault localization system RDSO SPM 256 2025 vision.

29994 RDSO-SIG0IPS (PSM)1 2020 Dt-05.05.2025 Letter for Decision on By-Passing LVDS.

RDSO SIG0MSDAC(CEL) Dt-20.03.2025 Pre-Commissioning Check List for Multi-Section Digital Axle Counter.

ECR-S&T0HQ (OTH) 7 2024 Dt-16.01.2025 RDSO Guideline TAN 3006 ver 3.0 on Earthing , Bonding, Surge & Lightning Protection System.

RAILWAY BOARD LETTER (2025)

2008 Sig 36-SD 1 Pt Dt-15.07.2025 Hazard of point position not corresponding to the detection received in interlocking.

SAFETY BULLETIN (2025)

ECR Safety S&T tech safety bulletin 01 25 Dt-17.09.2025 Derailment of one coach of 12869 at KM 249221 in TATANAGAR yard line.

ECR Safety bulletin 13 2025 Dt- 23.08.25Derailment of Train No 22850 at Nalpur in Howrah-Kharagpur of Kharagpur division in South Eastern Railway.

ECR Safety bulletin 12 2025 Dt-13.08.2025 Dashing of truck no UP-51-BT-4964 with train engine no 33722WAG-9BL.

ECR Safety bulletin no.-11 2025, DT-16.07.25

HQ Instruction/Policy/JPO:-

2024

ECR HQ0S&T(CCP) 2 2024,Dt-04.12.2024 Letter to Sr. DSTEs-RDSO Pre-Commissioning check list for MSDAC -GGT

ECR S&T SIG Dt-30.09.2024 JPO FOR LAYING AND TESTING FOR THICK WEB SWITCHES AND POINT MACHINE.

ECR-DHNOOPTG(STOR)28 2023 Dt-16.09.25 Provision of VDU furniture with installation of VDU panel and other accessories.

ECR HQ0 S&T(GEN)70 Dt-02.08.2024 JPO No. 2 2024 for adopting producer for rectification of auto signal failures

ECR S&T DRG Policy Dt-22.07.2024 letter -TYPICAL VDU LAYOUT FOR RDSO 2.0-1.

ECR Operating Safety GR&SR 24-A 505 Dt-28.06.2024 Brief guidelines for Working in automatic block system during failure

ECR S&T Signal policy-14-2024 Dt-25.06.2024 Regarding common minimum deficiencies or defects observed during the statuary inspection of new line.

ECR S&T Corres.Signal Policy-13 2024 Dt -03.06.2024 Regarding enhancing reliability of train detection for less used track portion and against miscreant activities.

S&T Policy No.09 2024 Dt-21.5.2024 Procedure for undertaking earth work digging work trenching work in the vicinity of signaling.

ECR S&T Policy 2024 Signal Policy-10 2024 Dt- 09.05.2024 Structured testing of EIPIRRI system before commissioning.

ECR S&T SIG Signal Policy-12 2024 Dt- 03.06.2024 Application format for PCSTE's approval for NI of Station.

SIGNAL POLICY No-05 2024 Dt-12.03.2024 REGARDING DC TRACK CIRCUIT

ECR S&T Policy No-4 Dt-12.03.2024 regarding AMC efftronics make of data logger in ECR.

ECR S&T Corres. Con Div. 2023 1 Dt-08.03.2024 Ensuring proper ventilation for VRLA battery for the IPS at all signaling installation

ECR HQ0S&T Dt-30.01.2024 Amendment in IPS block diagram 4L in RE and 6L in RE and LC Gate non RE and RE area.

Signal Policy -01 2024 Dt-29.01.2024 regarding provision of 1000 ohm , 10W resistance Relay Coil to reduce high contact resistances failures

ECR S&T Corres. Con 2023 Dt-23.01.2024 Recommendation and approval on item No.1192 of SSC- FA and SAT of electronic interlocking regarding.

ECR S&T Corres. Con Div. 2023 Dt-05.01.2024 Regarding Preparation of Joint Note during failures.

RDSO LETTER (2024)

ECR-HQ0S&T (CCP) 2 2024,Dt-04.12.2024 Letter to Sr. DSTEs-RDSO Pre-Commissioning check list for MSDAC -GGT

ECR-HQ0S&T (CCP) 2 2024 Dt-04.12.2024 Letter to Sr. DSTEs-Re-issue the Maintenance schedule of Automatic fire detection Alarm system.

ECR-HQ0S&T (CCP) 2 2024 Dt-19.12.2024 Letter to Sr. DSTEs- For comment on RDSO draft specification for TF Charger.

RAILWAY BOARD LETTER (2024)

ECR-HQ0S&T (CCP) 2 2024 Dt-05.12.2024 Letter to Sr DSTEs-Regarding Interlocking of LC gate.

HQ Instruction/Policy/JPO:-

2023

ECR-HQ0S&T HQ DRG POLICY Dt-01.11.2023 Hazard of Point position not corresponding to the detection received in interlocking.

ECR-HQ0S&T SIG Dt- 19.10.2023 JPO for Disconnection Reconnection of S&T gears during regular maintenance and during rectification of failures.

ECR-S&T Tech. corresp Firm Dt-09.10.2023 Letter to failure of axle counters (HASSDAC and ASDAC)

ECR-S&T Sig Policy 200 Pt-IV Dt-18.08.2023 Signal policy regarding fuse of LED.

POLICY CIRCULAR NO.1 2023 Dt-31.07.2023 USE OF NON-METALLIC(FRP BASED) SIGNAL UNIT FOR ALL TYPES OF SIGNAL ASPECTS OVER ECR.

OPT Safety JPO 2023 Dt-21.06.2023 Issues related with Safety of Signaling.

ECR Safety JPO 2023 Dt-12.06.2023 Joint procedure order-Disconnection S&T Gears.

ECR-HQ0S&T Tech. Corres. Dt-17.04.2023 Arrangement for power audit by sectional officer at every.

ECR-S&T SIG POLICY 200 Ot-iv Dt-03.02.23 HQ Sig policy regarding status of MCB in Relay room

ECR-HQ0S&T Dt-30.01.2023 HJP Letter regarding checking of emergency socket.

ECR HQ0S&T GENR 31 Dt-25.01.2023 HQ JPO regarding point and crossing and track circuit inspection.

RAILWAY BOARD LETTER (2023)

ECR Safety (Misc.)2023 DT-11.12.2023 Maintenance of points & Crossings and Thick Web Switches.

ECR HQ0S&T HQ DRG POLICY Dt-01.11.2023 Hazard of Point position not corresponding to the detection received in interlocking

ECR Safety JPO Dt-12.06.2023 Joint procedure order-Disconnection S&T Gears.

D.O. No.2020 SIG 21 Safety Performance Dt- 10.06.2023 Issues related with safety of signaling.

D.O. No.2023 CE-II Safety inspection Dt- 08.06.2023 Issues related with Safety of Track.

RDSO LETTER (2023)

STS E HS Turnout Vol. IV Dt-14.11.2023 Issues in Thick Web Switch (TWS) Turnouts and action taken.

HQ Instruction/Policy/JPO:-

2022

ECR-S&T ELD Signal Policy no. 1 2022 dated 26.08.22 Uniform policy on installation application maintenance practices of ELD.

ECR-HQ0S&T(TSC)1 2020 Dt-02.06.2022 Jurisdiction for maintenance activities of various Block Instruments with respective SSDACHASSDAC.

RAILWAY BOARD LETTER (2022)

No.2022 ACII 2 1 Dt-24.03.2022 Revised Codal Life assets.

2021

HQ Instruction/Policy/JPO:-

2020

ECR S&T JPO 185-A PT-1 Dt-11.11.2020 JPO No. 3 2020 issued from HQ regarding separate AT for each relay hut for distributed EI.

ECR Optg. Safety SPL. Inst 74 505 Dt-30.01.2020 Operating safety circular regarding testing of emergency crossover 2020.

ECR S&T JPO 185-A PT-1 1490 Dt-24.01.2020 Joint producer order no.1 2020 for removing obstruction from point.

2015

ECR S&T JPO Dt-09.03.2015, Joint procedure order for opening of relay room, relay hut, cabin basement at station.

Divisional level JPO/POLICY/INSTRUCTION

2024

DHN S&T Dt-14 .01.2025 implementation of Instructions issued by CSE I HJP during inspection of Rajir station on 25.12.24.

DHN S&T Dt-19.12.2024 JPO regarding Handling Failures of HASSDAC and MSDAC During Train Movements on Track -mounted devices.

DHN S&T Dt-18.12.2024 Maintenance testing of earth resistance

DHN S&T Dt-25.10.2024 Instruction regarding local OFC communication failure in Auto hut in PRP-TKN section.

DHN S&T Dt-30.09.2024 Joint inspection of power supply for S&T installation at station cabin in Dhanbad division.

DHN S&T Dt-02.08.24 Letter to All SSE SIG IN CHARGE regarding Submission of checklist post OEM based failures.

DHN S&T Dt-19.06.2024 JPO for working of trains in case of failures of Automatic signaling in Automatic signaling territory

DHN SWR CELL Dt-19.06.2024 JPO for working of trains in case of failures of Automatic signaling territory.

DHN S&T Dt-22.05.2024 Compliance of PCSTE HJP inspection note of Danapur RRI station on 27.04.24.

DHN S&T Dt-15.02.2024 Compliance of CSE-HJP inspection of PTRU station on 30 /31.01.24.

2023

DHN S&T Dt-21.12.2023 Instruction regarding wearing of uniform on duty.

DHN S&T Dt- 19.12.2023 Letter to JPO regarding for utility shifting by open line Construction

DHN S&T Dt-08.12.2023 Validation of data logger in connection of RR relay in CEL make HASSDAC

DHN S&T Dt-13.11.23 Regarding operating safety alert No.3

DHN ECR-HQ/S&T/SIG/JPO/85-A Dt- 02.11.2023 JPO for Disconnection and reconnection of S&T gears during maintenance

DHN S&T Dt- 29.08.2023 Instruction regarding drawing document & register list made available at station.

DHN S&T Dt-28.07.2023 Instruction regarding opening of relay room.

DHN S&T Dt- 04.07.2023 Instruction regarding pasted printed summary of signal failure in register at station.

DHN S&T Dt- 12.06.2023 Instruction regarding Dis-connection & Reconnection for S&T gears.

DHN S&T Dt-03.06.23 Divisional level instruction regarding do correspondence test after failures of point

DHN S&T Dt- 25.04.2023 JPO No.2 regarding operation of Signaling equipment.

DHN S&T Dt- 25.04.2023 JPO No. 3 (2023)regarding Block working on wireless media using UFSBL as per RDSO SPN TC 9192012).

DHN S&T Dt- 13.04 2023 System improvement of S&T Department-measurement of S&T work

DHN S&T Dt- 07.04.2023 Instruction regarding pasted printed summary of signal failure in register at station.

DHN S&T Dt- 05.04.2023 JPO No.1(2023)regarding operation of point by Panel or VDU by on duty SM during routine maintenance done by SIM.

SG JPO DHN 2023 Dt-05.04.2023 JPO No.1(2023)regarding operation of point by Panel or VDU by on duty SM during routine maintenance done by SIM.

DHN S&T Dt-20.03.2023 Certificate regarding earthing arrangement of EI in Dhanbad division

2022

DHN S&T Dt-23.11.2022 Guideline for attending failure at site.

DHN S&T Dt-04.02.2022 Instruction regarding preparation of summary of joint point & crossing inspection & crank handle operation of point to be checked periodically.

2021

DHN S&T Dt-21.09.2021 JPO No.1(2021) regarding testing of Emergency Cross over points by SM on duty and operation of sliding boom once in a week .

Government of India Ministry of Railways
East Central Railway

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