India is not only the largest producer but also the largest exporter of mica in the world. Andhra Pradesh is the largest producer of mica (Geography of India by Majid Hussain). It is the second largest producer and exporter of tea after China in the world.

Correct Option: D

India is not only the largest producer but also the largest exporter of mica in the world. Andhra Pradesh is the largest producer of mica (Geography of India by Majid Hussain). It is the second largest producer and exporter of tea after China in the world.

Bombay High, also known as Mumbai High, is an offshore oilfield 162 kilometres off the coast of Mumbai about 75 m of water. The oil operations are run by India’s Oil and Natural Gas Corporation (ONGC).

Correct Option: B

Bombay High, also known as Mumbai High, is an offshore oilfield 162 kilometres off the coast of Mumbai about 75 m of water. The oil operations are run by India’s Oil and Natural Gas Corporation (ONGC).

Digboi in Tinsukia district of Assam has the distinction of having the oldest oil refinery of India and Asia as well. It was here that the first commercially viable well in India, well No.1, was successfully drilled in September 1889 and first modern refinery in India was built and commissioned in December 1901 by Assam Oil Company Ltd.

Correct Option: C

Digboi in Tinsukia district of Assam has the distinction of having the oldest oil refinery of India and Asia as well. It was here that the first commercially viable well in India, well No.1, was successfully drilled in September 1889 and first modern refinery in India was built and commissioned in December 1901 by Assam Oil Company Ltd.

Gujarat is the leading state in ship breaking industry because of its long coastline and a well developed infrastructure for the industry-specific works. Alang in Gujarat, considered to be the world's largest, is a famous ship breaking centre.

Correct Option: C

Gujarat is the leading state in ship breaking industry because of its long coastline and a well developed infrastructure for the industry-specific works. Alang in Gujarat, considered to be the world's largest, is a famous ship breaking centre.

Visakhapatnam or Vizag Steel Plant is the only Indian shore-based steel plant. Started in 1971, it is the most advanced steel producer in India with the help of German and Soviet technology.

Correct Option: C

Visakhapatnam or Vizag Steel Plant is the only Indian shore-based steel plant. Started in 1971, it is the most advanced steel producer in India with the help of German and Soviet technology.