The Chhota Nagpur Plateau is a plateau in eastern India, which covers much of Jharkhand state as well as adjacent parts of Orissa, West Bengal, Bihar and Chhattisgarh. Chhota Nagpur 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. Massive coal deposits are found in the central basin spreading over 2,883 km2. The important coalfields in the basin are Jharia, Raniganj, West Bokaro, East Bokaro, Ramgarh, South Karanpura and North Karanpura.

Correct Option: D

The Chhota Nagpur Plateau is a plateau in eastern India, which covers much of Jharkhand state as well as adjacent parts of Orissa, West Bengal, Bihar and Chhattisgarh. Chhota Nagpur 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. Massive coal deposits are found in the central basin spreading over 2,883 km2. The important coalfields in the basin are Jharia, Raniganj, West Bokaro, East Bokaro, Ramgarh, South Karanpura and North Karanpura.

There are four our Oil Refineries of Assam: Digboi Refinery in 1901; Noonmati in Guwahati in 1962; Dhaligoan near Bongaigaon in 1962; and Numaligarh of Golaghat district in 1999. Guwahati Refinery was the country’s first Public Sector Refinery. Assam was the first state in the country wherein 1889 oil was struck at Digboi in Tinsukia district.

Correct Option: D

There are four our Oil Refineries of Assam: Digboi Refinery in 1901; Noonmati in Guwahati in 1962; Dhaligoan near Bongaigaon in 1962; and Numaligarh of Golaghat district in 1999. Guwahati Refinery was the country’s first Public Sector Refinery. Assam was the first state in the country wherein 1889 oil was struck at Digboi in Tinsukia district.

Bhilai Steel Plant, located in Bhilai, Chhattisgarh, is India’s first and main producer of steel rails, as well as a major producer of wide steel plates and a variety of saleable steel products. This steel plant was set up with the help of the USSR in 1955.

Correct Option: C

Bhilai Steel Plant, located in Bhilai, Chhattisgarh, is India’s first and main producer of steel rails, as well as a major producer of wide steel plates and a variety of saleable steel products. This steel plant was set up with the help of the USSR in 1955.

Limestone, as used by the minerals industry, is any rock composed mostly of calcium carbonate (CaCO3). Limestone is used to produce Portland cement, as aggregate in concrete and asphalt, and in an enormous array of other products, making it a truly versatile commodity. Portland cement is essential to the building industry.

Correct Option: B

Limestone, as used by the minerals industry, is any rock composed mostly of calcium carbonate (CaCO3). Limestone is used to produce Portland cement, as aggregate in concrete and asphalt, and in an enormous array of other products, making it a truly versatile commodity. Portland cement is essential to the building industry.

Started in 1952, the Integral Coach Factory (ICF) is located in Perambur, a suburb of Chennai, India. Its primary products are rail coaches. Most of the coaches manufactured are supplied to the Indian Railways, but it has also manufactured coaches for railway companies in other countries, including Thailand, Burma, Taiwan, Zambia, Philippines, Tanzania, Uganda, Vietnam, Nigeria, Mozambique and Bangladesh. Recently, ICF exported coaches to Angola.

Correct Option: D

Started in 1952, the Integral Coach Factory (ICF) is located in Perambur, a suburb of Chennai, India. Its primary products are rail coaches. Most of the coaches manufactured are supplied to the Indian Railways, but it has also manufactured coaches for railway companies in other countries, including Thailand, Burma, Taiwan, Zambia, Philippines, Tanzania, Uganda, Vietnam, Nigeria, Mozambique and Bangladesh. Recently, ICF exported coaches to Angola.