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Important Letters


Important Letters

 

79. ECR/S&T-HQ/Store dt. 20.02.2026 Checking of loop and insulation resistance of signalling and quad cable.

75. Standardize the legends of the boards, Size/Color of the fonts, background, drawings of the board, placements etc., Dtd:     06.10.2025
74. RDSO Guidelines on Earthing, Bonding, Surge & Lightning Protection System for S&T Installation, Dtd: 01.01.2025
73. RB Letter regarding Winter and fog Precautions for Signalling Systems, Dtd: 22.102025

72. ECR-HQ0SnT(CCT)/2/2024 (Computer no. 279039) Dt.17.10.2025 Purchase of EPM for water logging area.

71.ECR-HQ0SnT(CCT)/2/2024 (Computer no.-279039) Dt. 13.10.2025 Action Plan for reduction of TC failure because of       Water logging.

70. ECR-HQ0SnT(OTH)/7/2024(Computer no. 279747) Dt. 13.10.2025 Temporary Delisting under RDSO/SPN/192/2019 Ver        2.0 with sub item ID: 3100284001 due to repeated failures of Electronic Interlocking in SECR.   
 
68. ECR-HQ0SnT(OTH)/7/2024(Computer no.279747) Dt. 13.10.2025 Inspection of Safety-Critical Signalling Items by RDSO:Exclusion from TPI Policy,
67. Procurement of Project Supervision Services Agency (PSSA). Dtd. 26.09.2025 
66.  ECR suggestions and inputs for Upcoming TPI Contracts for S&T Items to RB’s Dtd:21.08.2025.

65.RB drive No.12 (FY2025-26)  Dtd: 18.09.2025 availability and upkeep of completion interlocking plans at relay rooms.

64. RB letter No. 2010/Sig/Sem/8/Pt.Dtd: 18.11.2010- for Improvement in Maintenance Practices -AMC with         OEM for S&T equipment.

63.  ECR-HQ0SnT(STOR)/16/2022 (Comp.no.- 170492) Dt. 28.08.2024 Consolidation of stores demands at unit level.

62. ECR-HQ0SnT(STOR)/16/2022 (Comp.no.- 170492) Dt. 11.06.2025. Monitoring of critical store items Signalling Cables(12C),Quad Cable, OFC Cables, IPS, MSDAC, HASSDAC, UFSBI and LED.

61. ECR/S&T/MISC (Comp. no.-279039) Dt. 23.10.2024 Local OFC communication failure in Auto hut in PRP-TKN. 

60. ECR-HQ0SnT(CCP)/2/2024.(Comp. no. 279039) Dt.10.10.2024 Regarding Maintenance free earthing being Installed in various works over ECR.

59. ECR/S&T/MISC (Comp. no.- 276077) Dt. 26.06.2024 Drive to check SOD infringement because of Route Indicator.

58. ECR/S&T/MISC (Comp. no.-279039) Dt. 06.02.2025 Earth Value of  Perimeteric/Ring earth and A class earthing at EI stn.

57. ECR/S&T/MISC (Comp. no.-279039) Dt. 14.05.2025 Drive for checking of bolts for signal post.

56. ECR/S&T/MISC(Comp.no.-279039) Dt. 02/04/2025 Reliability of Automatic Signalling in ECR.

55. ECR/S&T/MISC(Comp. no.279039) Dt. 05/11/2024 Data logger report for loose packing.

54.ECR/-HQ0SnT(CCP)/2/2024(Comp.no.-279039) dt.12.11.2024 Regarding Schedule Maintenance of Power supply System

53. RB Letter no.-2022/Sig/33/1/SEM/Misc (eFile 3395973) dated 23.04.25 IRSEM Addendum and Corrigendum Slip No.7.

52. RDSO Specification no. IRS:S-105/2025 Version :1.0 (Draft-1) -For Block Proving with Axle counter using UFSBI.

51. ECR/S&T/MISC(Computer no.-279039) Dt. 20.03.2025 Regarding changes in Datalogger networking.

50. ECR/S&T/MISC(Computer no.-279039) Dt. 17.03.2025 Thick web Switch-Reduction in failure.

49. ECR/S&T/MISC(Computer no.-279039) Dt. 17.03.2025 Regarding failure because of lightning.

48. ECR/S&T/MISC(Computer no.-279039) Dt. 17.03.2025 Cable meggering for improving signal reliability.

47. ECR/S&T/Correspondence/RDSO/2023 Dt. 24.04.2023 Observation on FRS for RDPMS (Document no.RDSO/RDPMS/FRS/2024)

46. ECR/S&T/Policy/200/(SNW) Part-1 (Computer no.-81849) Dt. 17.02.2025 Revised definition of similar nature of works of various types of signalling works.

45. ECR/S&T/Signal Section/MISC (Computer no..-279747) Dt. 24.02.2025 Proforma of Joint Inspection of Point and X-ing.

44. ECR/S&T/Signal Section/Misc (Computer no.-279747) Dt.24.02.2025 Dimension of standard push Trolley Wheels.

43. ECR/S&T/MISC(Computer no.-279039) Dt. 21.02.2025 Regarding Relay failures in UFSBI Panel.

42.ECR-HQ0SnT(CCP)/2/2024 (Computer no.279039) Dt. 23/24.01.2025 Nomination of officer for QA of KSTA EI work.

41.ECR-HQ0SnT(OTH)/7/2024(Computer no.279747) Dt. 21.01.2025 Provision of block working embedded in EI system.

40.ECR/S&T/Policy/200(SNW)Part-1 Dt. 16.01.2025 Revised definition of Similar nature of works of various types of Signalling works. 

39. ECR-HQ0SnT(OTH)/7/2024 (Computer no.-279747) Dt.16.01.2025 RDSO Guideline on earthing , Bonding, Surge & Lightening Protection system for S&T installation & TAN 3006 ver. 3.0.

38. ECR-HQ0SnT(CCP)/2/2024 (Computer no.-279039) Dt.14.01.2025 Regarding Comments on TAN for LED signal lamps for main colour light signals(Integrated) for Railway Signalling (Spec. No.: Specification No.RDSO/SPN/199/2010 Rev. 1.2)”.

37. ECR-HQ0SnT(OTH)/7/2024 (Computer no.-279747) Dt.03.01.2025 Guidelines on Earthing , Bonding, Surge & Lightening Protection System for S&T Installation.            

36. ECR-HQ0SnT(OTH)/7/2024 (computer no.-279747) Dt. 02.01.2025 Streamline Signalling Functions Description writing at Signalling Installation.

35. ECR/S&T/DRG/Corres./2024 Dt. 24.12.2024 Typical Ckt. diagram of Mid Section interlocked LC gate in Single Line.

34. ECR-HQ0SnT (OTH)/7/2024(Comp.no. 279747) Dt. 23.12.2024 Typical Drawing of RCC Cable Duct size 290mm for S&T Cable laying.

33..ECR-HQ0SnT(CCP)/2/2024(Comp.no. 279039) Dt. 19.2.2024 Comments/Suggestions on draft RDSO Specification no. IRS: S-89/2013 Version 1.0 Amendment 1.0 (Track Feed Charger).

32.ECR-HQ0SnT(CCP)/2/2024(Comp.no.279039) Dt. 19.12.24 Regarding comments on TAN for the item “Automatic Fire Detection & Alarm System for Signalling and Telecom Installations (Spec. No.: RDSO/SPN/217/2021 Ver.3.0)”

31. ECR-HQ0SnT(CCP)/2/2024(Comp.no. 279039) Dt. 16.12.2024 Provision of Quad & OFC cable between NPV-FBG, NMA-SRGR & VPH-KHTN, Quad cable in GGH-NMA, OFC cable in JJP-MHRL, MHRL-CDNA, CDNA-VPH section of SPJ division & in LLJP-VSHI-PARU section of SEE division.

30.ECR-HQ0SnT(CCP)/2/2024(Comp.no.279039) Dt. 09.12.2024 Monitoring of Signalling gears in Auto Signalling Works.

29.ECR-HQ0SnT(CCP)/2/2024(Comp.no.279039) Dt. 09.12.2024 Provision of MSDAC in main line in the yard where ABS works are being done.

28.ECR-HQ0SnT(CCP)/2/2024(Comp.no.279039) Dt. 05.12.2024 Modification in design of Signal foundations provided between two tracks for compliance to provision of SOD.

27.ECR-HQ0SnT(CCP)/2/2024(Comp.no.279039) Dt. 05.12.2024 Regarding Interlocking of Level Crossing Gates.

26.ECR-HQ0SnT(CCP)/2/2024(Comp.no.279039) Dt. 04.12.2024 Re-issue of the Maintenance Schedule of Automatic Fire detection & Fire Alarm System for S&T installations. 

25. ECR-HQ0SnT(CCP)/2/2024(Comp.no.-279039) Dt. 04.12.2024 RDSO Pre commissioning Check list for Multi Section Digital Axle Counter (MSDAC-G39)) of M/s G.G.Tronics India Pvt.Ltd.,Bangalore as per  of M/s G.G. Tronics India Private Limited, Bangalore as per RDSOSpecification No. RDSO/SPN/176/2013 Ver.3.0

 
22. ECR/S&T/DRG/Policy  dt. 30.10.2024 Typical circuit diagram IBS in single line section between KATKAMSANDI- KANSAR NAWADA stations.                                                                                                                                                          
21.ECR/S&T/MISC (Comp.no.279039) dt. 23.10.2024 Local OFC Communication failure in Auto hut in PRP-TKN section.

20. ECR-HQ0SnT(OTH)/7/2024 (Comp.no.279039) Dt.21.10.2024 Guidelines for undertaking Centralised Monitoring & logging of Signalling gears in Kiul-Gaya Section.
 
19.  e-File. No. 45305 (No. ECR/S&T/VHF/139): Use of Digital VHF sets over Indian Railways Dated: 16.10.2024                                                                                                                                                                                                 
 
 
Yard & Automatic Signaling Section.
 

14.ECR/S&T/Corres./Con./Div/2023 Dt. 13.06.2024 Implementation of JPO EL-2017 for Joint Inspection Register for recording Joint inspection (Half yearly) of power Supply, Electrical fittings & Fire detection for S&T installation at station/cabin in Electrified/Non Electrified section by JE/SSE (Signal), JE/SSE(Electric/G) &JE/SSE(TRD).  

13. ECR/S&T/Technical Corres./2022/Pt.-II Dt. 10.06.2024 Scrutiny and signing of dispensation statement under GR 3.47(1) and GR 5.16                                                       

12. CEL letter Dt. 31.05.2024 Rectification of HASSDAC failures.                                                                                                 
11. ECR/S&T/Corres./Con./Div./2023/I   Dt. 30.05.2024 Fire protection at S&T Stores                                                                                                                                                                                                                                                                      10. GM's Letter no. GM/2024/01 Dt.27.05.2024   Procedure for GM sanction & Signature on CRS documents/JSC.   

09.  ECR/S&T/Corres/Con/Div/2023(Computer No.5369) Dt.08.04.2024  Regarding utilisation of Input/Output bits during FAT.                                                                                                                                                                                                                                                                                                                                                                                                        08. ECR/S&T/Policy/200(SNW)Part-1 Dt.:20.03.2024 Revised definition of similar nature of various types of Signalling  works                                                                                                                                                                                                             
  07.   ECR/S&T/DRG/Corres/2021 dt.: 19.03.2024 Modification in RDSO Point circuit of RDSO type EI circuits.                                                                                                                                                                                                                         
   06.  ECR/S&T/DRG/Policy  Dt. 07.11.2023  Policy guidelines for Provision of dead approach locking at mid section L.C.gate   

05. ECR/S&T/DRG/POLICY  Dt. 31.10.2023 Procedure for approval of Completion plans and storage of  Site testing copy in the division 
 
04. Railway Board Letter no.- 2023/E&R/1(3)/10 dt. 25.10.2023   Matching of S&T and P-way jurisdiction at Divisional/Zonal  boundaries.                                                                                                                                                                  

03. ECR/S&T/Sig/Ploicy Dt. 30.01.2023 Method Statement for Horizontal Direction Drilling(HDD) in Yard & Automatic Signalling Section

02. Railway Board Letter No.- 2018/Trans.Cell/AC of Panel Rooms Dt. 07.06.2019  Air Conditioning of Relay Room provided  with EI system.                                                                                                                                                                                                                                                                                                                                                                                        
 
Source : East Central Railway Last Reviewed : 28-10-2026