RailTel Corporation Of India Ltd. (RailTel) is a Government of India undertaking under the Ministry of Railways. RailTel has already built state of the art STM-16 network using latest SDH/DWDM Technology for over 36000 Kms thus creating 3500 POPs across the country. RailTel plans to expand the network to over 50000 Kms by 2012 thus creating over 5000 POPs. The complete Network is managed by a Centralized Network Management System, located at New Delhi with backup at Secunderabad/Kolkata. RailTel has also built a highly sophisticated nationwide MPLS-IP network across 40 cities to provide a whole range of Internet & VPN services. The services offered by RailTel includes National Long Distance, Bandwidth leasing (64 Kbps to 155 Mbps & above), Internet Services, VPN Services (Layer-2 & Layer-3 MPLS, VPLS), Tower Space for Antennae (1000+ towers nationwide), Co-location services & Dark Fiber. Further, RailTel provides a host of services to Indian Railways for their various communication requirements. RailTel has connected about 3500 Railway stations on its OFC network and is providing circuits for control communication, administrative circuits, PRS circuits , FOIS and Railnet circuits.