Tata Communications
Tata Communications Limited (previously known as Videsh Sanchar Nigam Limited) is an Indian telecommunications company. It was previously a government-owned telecommunications service provider and under the ownership of Department of Telecommunications, Ministry of Communications, and the Government of India. It was then sold to Tata Group in 2008 under first Manmohan Singh ministry government.

Tata's communications provides network services and software-defined network platforms, such as Ethernet, SD-WAN, content delivery networks (CDNs), the internet, Multiprotocol Label Switching (MPLS), and private lines.

It is listed on the Bombay Stock Exchange and the National Stock Exchange of India.

History
The business was founded as Videsh Sanchar Nigam Limited (VSNL) in 1986.  Under the chairmanship of B. K. Syngal (1991-1998), VSNL launched the first publicly-available Internet plans in India in 1995. The international arm of VSNL (VSNL International) was launched in 2004. After the Government of India launched Disinvestment of Public Sector Units in India, VSNL was completely acquired by the Tata Group and renamed Tata Communications on 13 February 2008.

Tata communications global network

In 2009, Tata Communications and Tyco Telecommunications completed the TGN-Intra Asia cable system.

In 2012, the company completed its network across Egypt linking Europe to India, and created a subsea fibre network that circumnavigates the world. The  Eurasian section of the Tata Global Network runs across the Mediterranean Sea and the Middle East, connecting Mumbai with Marseilles.

In January 2016, Windstream Communications announced it was extending its 100 Gigabit Ethernet (100G) network from New Jersey data center operator NJFX's presence at Tata's Cable Landing Station (CLS) in Wall Township, New Jersey, to Ashburn, Virginia's internet hub.

Services
Tata Communications offers ethernet and private line services via a  content delivery network and other support services, like security, satellite teleports, fibre-based video network and transcoding.

Tata Communications has a data centre network located in 44 locations worldwide. 

It offers cloud services and managed security services.

Subsidiaries of Tata Communications Ltd 
Tata Communications Transformation Services (TCTS), a 100% subsidiary of Tata Communications Ltd, provides business transformation, managed network operations, network outsourcing, and consultancy services to telecommunication companies.

Tata Communications Payment Solutions Limited (TCPSL) formerly known as Tata Communications Banking InfraSolutions, is a wholly owned subsidiary of Tata Communications. It offers payment solutions to banks.

References

External links
 

Companies based in Mumbai
Telecommunications companies of India
Internet service providers of India
Telecommunications companies established in 1986
Tier 1 networks
1986 establishments in Maharashtra
Formerly government-owned companies of India
Tata Communications
Companies listed on the National Stock Exchange of India
Companies listed on the Bombay Stock Exchange