IIT Guwahati researchers have developed smart window materials for automatic climate control of buildings. This material can effectively control the amount of heat and light passing through it in response to an applied voltage.Good innovation!http://bit.ly/IITG-smartwindowsPMO India Narendra Modi Dr.Ramesh Pokhriyal Nishank Sanjay Dhotre Press Information Bureau – PIB, Government of India MyGov Corona Hub