"providing Project Management Services Engineering, Procurement And Construction (epc) Contracts And Other Works Contracts ( Item Rate Contracts) For Doubling Project Between Agthori Station (km 393.380) To Kamakhya Station (km 401.120) Including Construction Of 2nd Rail Cum Road Bridge Over River Brahmaputra Including Viaduct, Retaining Walls, Embankment And Minor Bridges Including Track Work, Ohe Work, Signaling And Telecom Work And General Work In Connection With Agthori - Kamakhya Doubling Project Of Northeast Frontier Railway In The State Of Assam." And "engineering, Procurement And Construction (epc) Contracts And Other Works Contracts (item Rate Contracts) For Doubling Of Track Between Azara (163.000 Km) (including) And Kamakhya Stations (including)up To Km 176.000 (13 Km) Including Electrification And Signalling Works In Connectionwith New Bongaigaon -goalpara Town - Kamakhya Doubling Project Of Northeast Frontier Railway."