The art of making glass bangles was in India since ancient times. A 2500-year-old piece of glass has been found in a village called Kopia in Basti district in Uttar Pradesh.
Firozabad glass bangles located in Uttar Pradesh are famous for their high variety all over the world. Apart from bangles, scientific instruments, beads of garlands, fake beads, glass sheets, glass bulbs, electric road, are also made.
Glass factories in India are the highest in Uttar Pradesh. Apart from Uttar Pradesh, glass factories are also located in West Bengal and Maharashtra. According to the Five Year Plan, glass industry is increasing day by day in India.