The Shri Ram Yantra was installed at Ayodhya's Ram Temple in the presence of President Droupadi Murmu. The 3X3 feet, 150-kg yantra is crafted from five metals (panchdhatu) and finished with a layer of 24-carat gold in a geometric pattern, IE reported. It contains an embedded Sanskrit prayer and, unlike idols, symbolises cosmic energy, believed to invoke Lord Ram's presence.