In addition to providing successful consultancy to its clients in more than 42 countries in various technology areas of Telecommunication, Information Technology and  Architectural & civil, TCIL has very strong project management capabilities to undertake turnkey projects from concept to commissioning to cover complete life cycle.  Rehabilitation of Telecom systems in Kuwait immediately after Gulf War and restoration of Telecom Network in Afghanistan is testimony to the turnkey project implementation capabilities.

With the decline in Wire line technologies in Telecom sector all over the World, TCIL has successfully diversified in different Wireless technology areas like WLL/GSM (WLL Network in Nepal, GSM Network in Bhutan), Satellite & Microwave, Information Technology areas (National Internet Backbone, Kisan (Farmer's) Call Centers) and Civil & Architecture (Sudan Electronic City, Cyber Park, Algeria, National Highway projects).

Project Management Capability, built up to handle projects of the size upto US$ 50 Million, as executed in Ghana an Zimbabwe,  is a major strength. TCIL has built up technological capability in all fields of Telecom and IT with its manpower resilient to fast technological changes. these achievements have been possible through strategic alliances, project execution capabilities, training and a strong will power to face the fierce competition in Telecom sector.

Even though Telecommunications is the domain identified with TCIL across various geographies it has worked, it has also developed expertise in the field of Post & Telegraph, Police & Defense, e- Governance, Banking & Insurance, Oil and Power through successful project executions.