Agra city is widely known for the jewel of heart- The Taj Mahal. This iconic building built in white marble and inlaid with semi-precious stones attracts the visitor. The best marble for the project of Taj Mahal was mined from Makrana & Kishangarh in Rajasthan. If you visit the Taj Mahal city you find plenty of marble shops in Agra. https://www.tajwithguide.com/blog/famous-marble-shops-in-agra/