Tender for Trenching & laying of underground signalling cables/ power cable, casting of foundations, supply of certain equipment/ materials, erection of apparatus cases & fixing of equipment, wiring, testing & commissioning in connection with provision of Tower wagon sidings by modification of Pl and also provision of Tele communication systems at station Metpally (MTPI) in section of Lingampet Jagityal (LPJL) – Nizamabad (NZB) of SC Railway to suit 25 KV AC RE.