Samacheer Class 10 Social Science - India - Resources and Industries

A resource is defined as any material or factor that is available in the environment and can be utilized to satisfy human needs and wants. Resources can be classified based on various criteria. By origin, they are categorized into natural resources, which can be biotic (living things like forests and animals) or abiotic (non-living things like land and water), and human-made resources, which are modified by humans (e.g., buildings and machinery). Based on renewability, resources are classified as renewable (which can be replenished quickly, like solar energy and wind) and non-renewable (which exist in finite quantities and take millions of years to form, like coal and petroleum). By ownership or use, resources are classified as individual (owned by private individuals), community (owned by local communities), national (belonging to a nation), and international (regulated by international organizations).

Manganese is a versatile mineral with numerous industrial applications. Its primary use is in the steel industry, where it acts as a crucial alloying element to improve strength, hardness, and resistance to wear and tear, and also as a deoxidizer to remove impurities. It is essential for the production of various steel alloys and ferro-manganese. Manganese dioxide is a key component in the manufacturing of dry cell batteries. It is also used in the chemical industry to produce potassium permanganate, a strong oxidizing agent. In the glass industry, manganese compounds are used as decolorizers to counteract the greenish tint caused by iron impurities and as colorants. Furthermore, it serves as a micronutrient in fertilizers and animal feed, promoting healthy growth. Its compounds also find applications in the ceramics and electronics industries.

Natural gas is a naturally occurring fossil fuel composed predominantly of methane (CH4), along with varying amounts of other hydrocarbons like ethane, propane, and butane, and sometimes non-hydrocarbon gases such as nitrogen and carbon dioxide. It is formed over millions of years from the decomposition of organic matter buried deep within the Earth's crust, subjected to intense heat and pressure. Natural gas is typically found in underground reservoirs, often associated with petroleum deposits. Its primary use is as a clean-burning fuel for domestic purposes like cooking and heating, as well as for electricity generation in power plants. It is also a vital feedstock for the petrochemical industry, used in the production of fertilizers, plastics, and other chemicals. Its relatively lower environmental impact compared to coal and oil makes it an increasingly important energy source globally.

Coal is classified into different types based on its carbon content and the geological processes it has undergone. Peat is the initial stage of coal formation, with a very low carbon content (less than 25%), and is not considered true coal. Lignite, often referred to as brown coal, is the next stage, containing approximately 25-35% carbon; it is a low-grade fuel with high moisture content. Sub-bituminous coal has a higher carbon content, ranging from about 35-45%, and is a more efficient fuel than lignite. Bituminous coal is the most common type, with a carbon content typically between 45% and 86%, and is widely used for industrial purposes and electricity generation. Anthracite is the highest rank of coal, containing the most carbon, usually between 86% and 98%; it burns with a hot, clean flame and is the least abundant.

India has several significant oil-producing regions. In the northeastern part of the country, Assam is a traditional oil-producing state, with important fields located in Digboi and Dibrugarh. The western coast is a major hub, with significant onshore production in Gujarat, including areas like Ankleshwar and the Cambay basin, as well as the extensive offshore fields of Bombay High, located off the coast of Maharashtra, which is India's largest oil-producing field. Other important offshore regions include the Krishna-Godavari basin in Andhra Pradesh and the Cauvery basin in Tamil Nadu. Additionally, recent discoveries have made Rajasthan, particularly the Barmer region, a notable contributor to oil production. Tripura also has some oil and natural gas reserves.

Renewable resources are those that can be replenished naturally over relatively short periods, often within a human lifespan, or are virtually inexhaustible. Examples include solar energy, wind energy, hydropower, geothermal energy, and biomass. These resources are sustainable as their use does not lead to their depletion. Non-renewable resources, on the other hand, exist in finite quantities and are consumed much faster than they can be regenerated. Their formation takes millions of years through geological processes. Examples include fossil fuels like coal, petroleum, and natural gas, as well as mineral ores. Once depleted, these resources cannot be replaced within a human timescale, making their conservation crucial.

Metallic minerals are characterized by the presence of metals and typically exhibit properties such as hardness, luster, and conductivity. When smelted or processed, they yield metals. Examples include iron ore, copper, bauxite (source of aluminum), gold, silver, and manganese. These minerals are crucial for industries like manufacturing, construction, and electronics. Non-metallic minerals, conversely, do not contain metals and do not yield metals upon smelting. They are diverse and include substances like limestone, gypsum, mica, salt, phosphates, and building stones. These minerals are vital for industries such as cement production, fertilizers, ceramics, insulation, and chemical manufacturing.

Agro-based industries derive their raw materials from agricultural products. Examples include the textile industry (using cotton, wool, silk), sugar industry (using sugarcane), food processing industry (using fruits, vegetables, grains), and paper industry (using wood pulp). These industries are often seasonal, depending on the harvest cycles of their raw materials, and are typically located near the sources of agricultural production to minimize transportation costs and ensure the freshness of perishable inputs. In contrast, mineral-based industries utilize minerals and ores as their primary raw materials. Examples include iron and steel, aluminium, cement, and petrochemical industries. These industries are generally capital-intensive and energy-intensive, requiring significant investment in machinery and power. Their location is often determined by the proximity to mineral deposits, availability of cheap power, and access to transportation networks for moving heavy raw materials and finished goods.

The Jute industry primarily uses jute as its raw material, which is extensively grown in the fertile plains of West Bengal and is also a major crop in Bangladesh. This industry is heavily concentrated in West Bengal, particularly in and around Kolkata, and also in Bangladesh. Its main products are coarse fabrics, ropes, sacks, mats, and other packaging materials, making it crucial for the agricultural sector. The industry is labor-intensive and also exhibits seasonality due to the dependence on the jute harvest. The sugar industry, on the other hand, uses sugarcane as its raw material, which is cultivated in states like Uttar Pradesh, Maharashtra, Karnataka, and Tamil Nadu. The industry produces sugar, jaggery, khandsari, and important by-products like molasses (used for alcohol production) and bagasse (used as fuel). It requires sugar mills for processing and is dependent on the availability of sugarcane, making it seasonal. The industry's location is influenced by the sugarcane growing belts and requires substantial water for cultivation and processing.

The cotton textile industry in India is predominantly located in the western and southern parts of the country. Major centres include Gujarat, with cities like Ahmedabad and Surat being significant hubs, and Maharashtra, where Mumbai, Solapur, and Ichalkaranji are key industrial areas. Tamil Nadu also has a strong presence with Coimbatore, Salem, and Madurai being important centres. Other states with notable cotton textile production include Karnataka (Mysore, Bengaluru), Telangana and Andhra Pradesh (Hyderabad), and northern centres like Kanpur in Uttar Pradesh. Several factors have contributed to this distribution. The availability of raw cotton, particularly from the black soil regions of western India, is a primary reason. The presence of a skilled labour force, entrepreneurial capital, and access to ports for exporting finished goods and importing machinery have also played a crucial role. Furthermore, established trade and marketing networks, along with reliable electricity and power supply, are essential for the industry's growth and sustenance.

Indian industries face a multitude of challenges that hinder their growth and competitiveness. A significant issue is the inadequate infrastructure, particularly in terms of reliable power supply and efficient transportation networks, which increases operational costs and leads to delays. Many industries suffer from outdated technology and consequently, low productivity compared to global standards. There is also a persistent shortage of adequately skilled labour, requiring continuous training and skill development initiatives. Regulatory and bureaucratic hurdles, including complex procedures and red tape, can stifle innovation and expansion, especially for small and medium enterprises. Access to finance remains a challenge for many smaller firms, limiting their ability to invest in modernization or expansion. Environmental constraints, such as pollution control norms and resource depletion, also pose significant challenges. Moreover, Indian industries face stiff competition from cheaper imports and the dynamic global market. Finally, regional imbalances in industrial development persist, with certain areas being over-industrialized while others lag behind.

Since India's independence, the development of industries has followed a dynamic trajectory, evolving from a planned, state-led approach to a more liberalized and market-oriented economy. In the initial decades post-1947, India adopted a mixed-economy model with a strong emphasis on developing heavy industries and establishing a robust public sector. This era saw the establishment of major steel plants in Bhilai, Rourkela, Durgapur, and Bhadravati, alongside significant growth in other core industries. The development of small-scale industries and consumer goods production also continued. A significant shift began in the 1980s with the introduction of liberalization policies, which were further accelerated by the economic reforms of 1991. These reforms ushered in an era of increased privatization, encouraged foreign investment and technology inflows, and reduced government controls. Post-1991, the services sector and information technology experienced rapid growth, while the manufacturing sector diversified into areas like automobiles, pharmaceuticals, and electronics. More recently, government initiatives like 'Make in India' and efforts to improve the ease of doing business aim to boost domestic manufacturing, attract foreign direct investment, and enhance infrastructure. However, challenges related to skill development, infrastructure gaps, and environmental sustainability continue to be addressed.

Provide the following locations to mark on the map: 1. Iron ore centres: Keonjhar/Barbil (Odisha), Singhbhum (Jamshedpur, Jharkhand), Bailadila (Chhattisgarh), Bellary–Hospet (Karnataka), Goa. 2. Petroleum & natural gas: Assam (Digboi, Dibrugarh), Bombay High (offshore, Maharashtra), Cambay/Ankleshwar (Gujarat), KG basin (Andhra), Cauvery basin (Tamil Nadu), Barmer (Rajasthan). 3. Coal centres: Dhanbad (Jharkhand), Raniganj (West Bengal), Korba/Talcher (Chhattisgarh/Odisha), Singrauli (MP), Wardha/Nagpur (Maharashtra). 4. Cotton cultivation: Gujarat, Maharashtra, Tamil Nadu, Karnataka, Telangana/Andhra, Punjab and Haryana (irrigated cotton). 5. Iron & Steel industries: Jamshedpur, Bhilai, Rourkela, Durgapur, Bokaro, Visakhapatnam, Salem.