Hey as Tata Communications Limited is a global Telecom Indian business conglomerate Tata Group

History of company
The company was founded as Videsh Sanchar Nigam Limited (VSNL) in 1986.
In 2002, Tata Communications acquired a 25% stake in VSNL.
The international arm of VSNL, VSNL International, was launched in 2004.
VSNL was completely acquired by the Tata Group and renamed as Tata Communications Limited on February 13, 2008

Subsidiaries
Tata Communications Transformation Services (TCTS)
Tata Communications Data Centers Limited (TCDC)
Tata Communications Payment Solutions Limited (TCPSL)

Service Providers
Voice
Network Services
Mobile
Unified Communications and Collaboration
Data Centre Services
Partner Services
Fraud Protection

Address:
Tata communications ltd
35 Tai Seng St,
Singapore 534103
Phone:+65 6632 6700