The Glass City of India !!! Firozabad is a city in India, within the state of Uttar Pradesh. This city was built by Firoz Shah Tughluq, a Tughlaq king. Since ancient times it is famous for Glass products and Glass Bangles works, and its concerned small scale industry is famous all over the globe. Firozabad, where people breathe glass not air, where every second conveyance is found fully stuffed with sparking glass bangles of intensive colors. This city is nothing without glass.