Exteriors This organic building is environment friendly too as the stones from the site alone are used by breaking the boulders to construct the building, compound walls, roads and other facilities, thus saving in external natural resources. There is rain water harvesting provision. Effluent treatment plant recycles the drainage water for gardening, thus saving in water. Natural light flows abundantly into all rooms, solar heating systems is installed and many tress have been planted, making the entire set up completely environment friendly.