Why durgapur is called ruhr of India?

Durgapur is often referred to as the "Ruhr of India" due to its significant role in industrial development, similar to the Ruhr Valley in Germany, which is known for its heavy industries. Established in the 1950s, Durgapur became a key center for steel production, coal mining, and engineering in India. The city's industrial landscape, characterized by steel plants and manufacturing units, has made it a vital hub for the country's economy, akin to the Ruhr's influence in Germany. This nickname highlights Durgapur's transformation into an industrial powerhouse and its contribution to national growth.