Design, Programming, Installation, Supply, Testing And Commissioning Of Electronic Interlocking (Ei) System Conforming To Rdso Specification No. Rdso/Spn/192/2019 Or Latest (With Latest Amendment If Any) As Per Sip Along With Indoor & Outdoor Work Including Part Supply Of Materials At (Sanr,Cc,Gb,Balr, Deos, Nra, Bhtr , Btk ,Mw, Zrde, Pck,Dda , Cw,Em, Ddp, And Kps ) (Centralized Type) Stations And Siwan Jn. & Chpg Station (Distributed 1+2 Type) In Between Gkc-Chpg Sections, Automatic Block Signaling Work In Cpr Jn-Ci-Chpg Block Section And Work For Ofc Cables Gkc - Btt And Cpr Jn-Ci-Chpg Sections In Varanasi Division Of N.E. Railway