Which is the oldest industrial region in India?

The Chotanagpur industrial region is mainly known for

Which Indian state contains most of the Chotanagpur plateau industries?

Which industrial region is known as the ‘Rust Belt of India’?

The Vishakhapatnam–Guntur industrial region developed mainly due to

Which industrial region is known for automobile manufacturing?

Kanpur industrial region is famous for

Which industrial region is known for petrochemical industries?

Which industrial region is called the ‘Silicon Valley of India’?

Which river is closely associated with the Hugli industrial region?