The Chhota Nagpur Plateau is a plateau in eastern India, which covers much of Jharkhand state as well as adjacent parts of Odisha, West Bengal, Bihar and Chhattisgarh. The plateau is a storehouse of minerals like mica, bauxite, copper, limestone, iron ore and coal. The Damodar valley is rich in coal and it is considered as the prime centre of coking coal in the country.

Correct Option: B

The Chhota Nagpur Plateau is a plateau in eastern India, which covers much of Jharkhand state as well as adjacent parts of Odisha, West Bengal, Bihar and Chhattisgarh. The plateau is a storehouse of minerals like mica, bauxite, copper, limestone, iron ore and coal. The Damodar valley is rich in coal and it is considered as the prime centre of coking coal in the country.

Ankleshwar, is a city and a municipality in the Bharuch district of the state of Gujarat. The city is known for oil and has an office of the ONGC (Oil and Natural Gas Corporation Limited). Besides, it is also known for chemical plants, producing products such as pesticides, pharmaceuticals, chemicals, and paints.

Correct Option: D

Ankleshwar, is a city and a municipality in the Bharuch district of the state of Gujarat. The city is known for oil and has an office of the ONGC (Oil and Natural Gas Corporation Limited). Besides, it is also known for chemical plants, producing products such as pesticides, pharmaceuticals, chemicals, and paints.

Digboi is a town and a town area committee in Tinsukia district in the north-eastern part of the state of Assam. Today, though the crude production is not high, Digboi has the distinction of being India's oldest continuously producing oilfield. Digboi refinery, now a division of Indian Oil Corporation, is the world's oldest oil refinery still in operation.

Correct Option: D

Digboi is a town and a town area committee in Tinsukia district in the north-eastern part of the state of Assam. Today, though the crude production is not high, Digboi has the distinction of being India's oldest continuously producing oilfield. Digboi refinery, now a division of Indian Oil Corporation, is the world's oldest oil refinery still in operation.

Kudremukh Iron Ore Company Ltd (KIOCL) has iron ore mines in Kudremukh (Chikkamagaluru district) on the Western Ghats and a pelletisation plant in Mangalore. The actual mining takes place at Western Ghats at a place called Kudremukh. The mined ore is transported through pipelines running through districts of Udupi and Dakshina Kannada up to the plant in Panambur, adjacent to the premises of New Mangalore Port in Mangalore.

Correct Option: C

Kudremukh Iron Ore Company Ltd (KIOCL) has iron ore mines in Kudremukh (Chikkamagaluru district) on the Western Ghats and a pelletisation plant in Mangalore. The actual mining takes place at Western Ghats at a place called Kudremukh. The mined ore is transported through pipelines running through districts of Udupi and Dakshina Kannada up to the plant in Panambur, adjacent to the premises of New Mangalore Port in Mangalore.

Almost all of India's coal reserves are of Gondwana coal. The Gondwana coal is said to be 250 million years old and includes mainly coking, non-coking and bituminous coal. The Gondwana coalfields extend from Bengal, Jharkhand, Bihar, Odisha to Madhya Pradesh.

Correct Option: A

Almost all of India's coal reserves are of Gondwana coal. The Gondwana coal is said to be 250 million years old and includes mainly coking, non-coking and bituminous coal. The Gondwana coalfields extend from Bengal, Jharkhand, Bihar, Odisha to Madhya Pradesh.