Stones from Agra, specifically red sandstone from Jagner and Tantpur, were used in the construction of the original circular Parliament building
Use of Narrow Gauge
Imamuddin, a 110-year-old freedom fighter, claimed that these stones were brought to Delhi's Lutyens' zone via a narrow gauge railway line
Apart from Parliament House, this red stone was also utilized in constructing landmarks like India Gate, Rashtrapati Bhavan, North and South Block buildings