Electronic Interlocking
इलेक्ट्रॉनिक अन्तःपाशन
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Welcome to S&T Online Portal for AGC Division of NCR.
Important Circulars
Maintenance circular 03-24 maintenance guidelines for upkeep passwords of EI 19.08.2024
Maintenance circular 05-24 maintenance schedule of EI having inbuilt Block 21.11.2024
Provision of Spares at Station & in Block section 22.09.2025
Technical Circular -1-25 for Power supply system for EI Installation
Technical Circular 01-23 for Cyber security TAN no. EI-TAN-SECURITY 31.05.2023
Technical Circular 05-22 Alteration to existing EI 26.12.2022
Technical Circular-02-24 For Standardisation of VDU Layout for EI installation 20.03.2024
Technical circulars- 01_22 Ver 1.0 (outdated) & 02_22- 27.01.2022
Important documents, plans, checklists and letters
Approval of HQ level Circuit diagrams for EI works 13.03.2024
Double Line Test format for Block working built into EI 04.11.2020
Empowering RVNL for approval of logic Interface circuits 15.01.2025
Handbook on Interlocking & Functional Testing of PI RRI EI_Sep-2021
Model Cable core plan for various stations with PI and EI July-21
Reliability improvement-change over arrangement of power cable EI 13.12.2017
Single Line Test format for Block working Inbuilt EI 02.06.2021
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