trenching, laying, back filling, jointing, termination and testing of 6 quad and pijf cablesetc. including supply, installation and commissioning of sdh add/drop muxs ( stm1),digital primary drop insert muxs and other associated equipments, way station equipments,head quarter control room equipment with power supplies, emergency sockets etc. insp/ssp/tss and stations in mehsana-patan-bhildi section of western railway, ahmedabaddivision.bidding type normal tender .