New Delhi, Nov 24: Country's largest software service firm Tata Consultancy Services today said it has partnered with Gfi Informatique to collaborate on smart cities projects in France.Gfi Informatique and TCS will offer the Intelligent Urban Exchange advanced analytics solution developed by TCS Digital Software & Solutions Group, the latter said in a statement. The software leverages real-time and historical data to close the loop between citizen and city needs and the supply of services like transportation, water and energy.