Addendum No.2 of Siddababa Tunnel Project [Planning, Design, Engineering, Procurement,Construction, Commissioning and Five Years of Service Operation & Maintenance of One Double Lane Standard Highway Tunnel, Rock shed Structure, Rock Fall Mitigation and Road Works of Siddababa Tunnel Project on Engineering Procurement Construction (EPC) basis all complete] DOR_QRDC/EPC/ICB/STP/077/78-05