RailTel Corporation of India Ltd., a Navratna PSU under Ministry of Railways, is one of the largest neutral telecom infrastructure providers in India and a trusted end-to-end IT & ICT service provider. RailTel has extensive optical fibre network of 62,000 RKM along the railway tracks, a 21,000 KM citywide access network, 11000+ Point of Presence (PoPs) and 1,100 telecom towers Nationwide. RailTel has also created one of the world's largest integrated public Wi-Fi networks, offering services at 6,112 railway stations across the country. This robust infrastructure is supported by a Central Network Operation Centre (CNOC) and four region-based Network Operation Centres (NOCs).RailTel is a unique PSU with telecom licenses (IP-1, NLD, ISP) in-house Tier III data centre services, own Security Operation Centre and MeitY- empanelled cloud services under one roof. The company's wide-ranging service portfolio includes MPLS VPN, leased lines, tower co-location, data centre services, cloud services, security operation centre services, HD video conferencing, Aadhaar-based authentication systems, e- tendering, retail broadband under the brand RailWire, IT and ICT projects, railway Signalling projects, and many more.