Are the green buildings existing or only a phrase?

It is certainly just not a phrase. There are various green buildings in India like Suzlon Energy Limited - Pune, Biodiversity Conservation India Ltd (BCIL) - Bangalore, Olympia Technology Park - Chennai, ITC Green Centre - Gurgaon, The Druk White Lotus School - Ladakh, La Cuisine Solaire - Auroville, Doon School - Dehradun,etc. The Housing and Urban Development Corporation (Hudco) in collaboration with The Energy and Resources Institute (Teri) has come up with a new project on green buildings. This plan includes site planning, energy saving equipments and also the water recycling plants.The Haryana government has taken up the initiative of prompting green buildings.