Design, manufacture, supply, installation, testing and commissioning of electronic interlocking system with hot -stand by distributed type configuration with stand by vdu (dual vdu) system conforming to rdso specn.no. rdso/spn/192/2019 with latest amendment including out-door work like excavation of trenches,laying of signalling/power/quad cables,casting of foundation &erection of macl signal posts,apparatus case,relay racks, fixing of power equipments,relays, installation of msdac, electric point machines, lvcd equipments,and part supply of materials for provision of electronic interlocking at pokla (pkf), pakra (pkc), kurkura (krkr), mahabuang (mcz) and bano (bano) stations, level crossing gate interlocking, its also include necessary trenching and laying of sectional telecom cable required for commissioning of new system between bakaspur(bkpr) and kanaroan (knrn) section, in connection with the doubling work between hatia- bondamunda section of ranchi division in south eastern railway.