Tender For supply, installation, testing & commissioning of control & emergency communication system, gate phones, trenching, laying, jointing and termination of 0+0+6 quad cable, underground jelly field cable & provision of optic fiber communication including supply of material, trenching, opticalfibercablelaying by blowing technique in hdpe duct, hdpe duct laying, splicing termination etc of opticalfibercablecable in solapur-tuljapur-osmanabad sections of solapur division in connection with of new b.g. line work of solapur division on central railway.