Diamond Grading Institute Installs 34.8 KW Solar Rooftop Plant Updated On Fri, Feb 16th, 2018 by Saurenergy The Diamond City has emerged as India’s leading ‘solar smart city’ according to the bi-monthly newsletter of the ministry of new and renewable energy, Government of India titled Ákshay Urja’. In a significant development, the International Institute of Diamond Grading and Research (IIDGR), a part of the world’s leading De Beers Group, has become the […] Read more