GTL Limited | 20,178 followers on LinkedIn. GTL, a Global Group Enterprise, is a leading Network Services company, offering services and solutions to address the Network Life Cycle requirements of Telecom Operators, Technology providers (OEM’s) and Tower Companies. The company is serving the leading Telecom Operators, Technology providers (OEM’s) and Tower Companies. Global Group is India's leading business group focused on Network Services and Shared Telecom Infrastructure.