Economic Sectors and Infrastructure

Research and Development (R&D) firms operate in the quaternary sector, which consists of intellectual, knowledge-based activities such as information technology, scientific research, and development. Primary involves raw materials, secondary involves manufacturing, and tertiary involves services.

New Mangalore port is a deep water port at Panambur, Mangalore in Karnataka. It is currently 7^th largest port in India. It was established in 1974 and inaugurated by then Prime Minister Smt. Indira Gandhi. 

It handles the export of iron ore of Kudremukh and imports of petroleum products, fertilisers, edible oils, etc.

• The inland riverine port which is also a major port of India is Kolkata port. It is located on the left bank of Hooghly River.
  
• The important import of Kolkata from the given options is fertilizers.
  
• The other imports include iron ore, granite, coal, petroleum products, and containers.
  

In rural settlements, the majority of the population is engaged in primary occupations such as agriculture, fishing, forestry, and mining, which directly utilize natural resources.

Technological development has far-reaching benefits across virtually all sectors. It improves agricultural yields through precision farming, advances medical treatments in healthcare, and aids environmental conservation through better monitoring and clean energy technologies.

The Maldives is an island nation with a geography that makes tourism, particularly luxury beach and diving resorts, its primary economic driver.

Ancient economies in the Indus Valley and surrounding regions were primarily agrarian, meaning they relied heavily on farming for food and trade.

Like many developed nations, the United Kingdom's economy is dominated by the service industry, which includes finance, retail, and professional services.

The Second Industrial Revolution was characterized by significant advancements across multiple sectors, including electrical, chemical, and food processing industries.

Specialized jobs in early civilizations included various roles like artisans, skilled workers, and brick makers, as surplus food allowed people to focus on non-farming tasks.

The agricultural sector was the dominant sector during the colonial period, employing the vast majority of the population.

At the time of independence, the Indian economy was predominantly agrarian, with the majority of the workforce engaged in agricultural activities.

The Industrial Policy Resolution of 1956 classified industries into three categories, with Schedule A consisting of 17 industries exclusively reserved for the public sector. This policy aimed to accelerate industrial growth and promote state-led development.