to ensure a hassle-free experience. It is a revolution in testing and certification: WiWA(C) stands for Wind, Water, and Air, and represents a unique Eternia algorithm that defines the window’s ability to keep out noise, dust, and water, even in extreme conditions like a cyclone. It is a revolution in service: An industry-leading 12-year warranty and AMC care redefine service standards. It is a revolution in the way of doing business: Eternia™ is brought to you by Hindalco, the world’s largest manufacturer of aluminium, from the Aditya Birla Group, with a heritage of 150+ years of trust.