RailTel Corp. of India Ltd. engages in the provision of telecommunication services. It specializes in HD video conferencing services, data center, RailWire broadband, leased line, virtual private network, internet leased line, consultancy services, signaling services, rack and space collocation, tower collocation, Aadhaar based services, and others. The firm operates through the following segments: Telecom Services and Project Work Services. The Telecom Services segment provides a wide range of services under Managed Data Services, Leased Line, Virtual Private Network, Internet Leased Line, Data Centre, Tower Collocation, Rack and Space, and NLD for voice carriage. The Project Work Services segment includes National Optical Fiber Network, Telecom and IT services related projects, and Enterprise specific IT & ITES projects. RailTel Corp of India was founded by Inderjit Sehrawat in 2000 and is headquartered in New Delhi, India.