Expression of Interest (EOI) for Selection of Empaneled Business Associate for the work of Provision of EI based Automatic Signalling in lieu of Relay based interlocking with Dual Detection by MSDAC and other Associated works along with suitable indoor alterations in Stations enroute AGC-RKM, BFP-RNKA and RNKA-KXM Automatic Sections of Agra Division of North Central Railway. On Back to Back Basis.