Aligarh’s centuries-old lock-making industry famous around the world comprises 5,000 organised and as many unorganised units and employs over 2 lakh workers. Apart from its famous lock-making, the over Rs 4,000 crore-industry presents a unique example of communal harmony in the country. Aligarh has a mix population of Hindus and Muslims and they have been working together since ages to make this industry stronger by the day. Aligarh city has been making locks since the rule of the Mughals. But it was the Britishers that streamlined the locksmith-job into a major economic activity. At the turn of the 20th century, Aligarh was already producing 500,000 locks per annum, valued at Rs 2,76,000.