Explanation:

Jharia is famous for a coal field fire that has burned underground for a century. The first fire was detected in 1916. According to records, it was the Khas Jharia mines of Seth Khora Ramji, who was a pioneer of Indian coalmines, whose mines were one of the firsts to collapse in underground fire in 1930.

Neyveli – A Man-made Township. One of the best-planned townships in India, Neyveli is a small, compact city in the Cuddalore region of Tamil Nadu. Around 1935, it was discovered that copious amounts of the mineral lignite was available just a few feet below the surface of this region.

Singhbhum is known for its iron ore deposits and it provides for the iron ore requirements of the IISCO steel plants located at Hirapur, Kulti and Burnpur.

Hutti Gold Mines also spelled as Hatti is a town in Raichur district in the Indian state of Karnataka.