NCERT Class 7 Social Science Chapter 19 Infrastructure: Engine of India’s Development

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NCERT Class 7 Social Science Chapter 19 Infrastructure: Engine of India’s Development

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Infrastructure: Engine of India’s Development

Chapter: 19

Part – 2: Exploring Society India and Beyond

The Big Questions:

1. What is physical infrastructure, and how has it transformed over the years in India?

Ans: Physical infrastructure is a vast network of tangible structures built to keep cities and villages functioning smoothly. It includes transportation systems like roads, bridges, and railways, utilities like electricity and water pipelines, communication networks, and energy infrastructure like windmills and solar parks. Over the years, India’s physical infrastructure has transformed remarkably, evolving from historical trade routes to state-of-the-art modern networks. India now has the second-largest road network globally and the fourth-largest railway system, which is upgrading to 100 percent electrified tracks and modern trains like the Vande Bharat. The country is also expanding metro train networks across 23 cities, building futuristic airports, and transforming communication from slow telegraphs to instant 5G internet and smartphones.

2. How has the expansion in infrastructure affected the quality of life for individuals and communities?

Ans: The expansion of infrastructure has greatly improved the ease of living for individuals and communities by making travel, communication, and access to services much faster and more reliable. Better local roads and bridges help children reach school safely, allow ambulances to reach hospitals faster, and significantly cut down travel time. Metro trains and expressways offer smooth daily commutes and reduce road traffic. Furthermore, advanced communication infrastructure allows students to access online classes in remote areas, enables quick e-payments, and supports e-governance, which helps citizens apply for documents from their phones.

3. What is the role of infrastructure in the development and economic prosperity of the nation?

Ans: Physical infrastructure acts as the backbone and engine of the nation’s economic development. It connects the places where goods are manufactured to the nearest markets, boosting both domestic and international trade. For example, good roads and cold storage allow farmers to sell their produce before it spoils, while cargo trains and ships transport heavy materials like coal, cement, and electronics cheaply. Infrastructure also creates millions of direct and indirect jobs, supports the tourism industry, and strengthens national security by allowing defense forces to access difficult terrains.

Questions and activities:

1.Which form of physical infrastructure has been built in your area in the last decade?How do you think it has benefitted you or your family members? If you could build something for the community, what would it be?

Ans: In the last decade, a new metro train network and local expressways might have been built in your area. This benefits families by skipping heavy traffic, cutting down travel time, and providing a cheaper, air-conditioned way to commute. If building for the community, one could choose to build sustainable social infrastructure like community parks, libraries, or eco-friendly health centres that run on solar power to support the wellbeing of society.

2. How does infrastructure like ports, highways, and airports create jobs in different parts of the country? Can you think of indirect ways people benefit from it?

Ans: Infrastructure projects require massive manpower to build and operate, creating direct jobs for engineers, ticket collectors, maintenance staff, and service workers. For instance, Indian Railways is the largest employer in the country with over 1.21 million employees. Indirectly, people benefit through the creation of new businesses around these hubs; for example, new settlements and markets emerge near railway stations, creating jobs in catering, food vending, and taxi services.

3. Why is it important to think about the environment when building new infrastructure like roads or airports? Can infrastructure development and environmental protection go hand in hand? If yes, how?

Ans: It is crucial to think about the environment to minimize pollution and harm to local biodiversity. Yes, development and environmental protection can go hand in hand by using sustainable designs and cleaner energy. For example, the Kempegowda International Airport in Bengaluru is designed as a ‘garden city’ with bamboo structures and green spaces. Other ways include using solar panels on buildings to generate electricity, shifting to 100 percent electrified railway tracks to reduce carbon emissions, and building structures like Meghalaya’s living root bridges that grow naturally alongside nature.

4.How can better infrastructure (like roads, airports, communication systems) help during natural disasters like floods or earthquakes?

Ans: Better infrastructure ensures quick emergency responses and saves lives. Strong, elevated bridges (like the Dhola Sadiya Bridge) allow for year-round travel and access to hospitals even when rivers flood. Air transport is essential during disasters because airplanes and helicopters can easily reach difficult terrains, delivering food, vaccines, and aid to cut-off areas. Communication systems help by sending out quick mobile SMS alerts and allowing rescue teams to coordinate through mobile apps. 

5. Have you ever noticed people misusing public spaces, like scribbling on walls, breaking streetlights, or damaging benches? What are its consequences? Write your observations and suggest solutions to prevent it.

Ans: Consequences: Damaging public infrastructure reduces the ease of living for everyone, wastes resources, and becomes a financial burden for every citizen who relies on those facilities. 

Solutions: Taking care of infrastructure is a collective responsibility. Citizens must use it responsibly and report damages like broken streetlights to authorities. To prevent it, communities can create awareness campaigns, and the government can impose penalties and fines for individuals who damage public property, a practice that dates back to the rules in Kautilya’s Arthaśhāstra.

6. Prepare ‘scenario posters’ for the following situations:

(i) A new factory is planned in an area. What form of infrastructure is required for its smooth operation?

Ans: To ensure the smooth operation of a new factory, a massive network of physical infrastructure is required. Your poster should highlight transportation systems such as wide roads, highways, and railway tracks to efficiently bring raw materials to the factory and move finished goods to the nearest markets or ports. It also requires utilities and energy infrastructure, including reliable electricity lines, water pipelines, and potentially solar panels for sustainable power. Lastly, robust communication networks like internet cables and mobile telecom towers are essential for coordinating business operations.

(ii) Self-cleaning roads, underground highways, and high-speed bullet trains could be part of a futuristic city! Imagine the kind of infrastructure that would be required in the future that could help ease the lives of the people and communities in your city, town or village for various day-to-day functions.

Ans: A poster for a futuristic city should feature highly advanced and sustainable technologies. You can illustrate a transport network with 100 percent electric and high-speed trains (like the modern Vande Bharat express) and underground metro systems powered entirely by solar energy to reduce pollution. You can also include electric vehicle (EV) charging stations across the city. For communication, the city would require advanced digital infrastructure, such as widespread 5G, cloud servers, and comprehensive e-governance and e-commerce systems, allowing citizens to access all services and goods directly from their smartphones.

(iii) Think about upgrades to the infrastructure near you, considering the terrain of your area, such as coastal, mountainous, plains, etc., and the type of natural calamities your region is prone to.

Ans: Depending on your specific terrain, your poster could show specialized, disaster-resilient infrastructure.

(i) For flood-prone river regions, you could draw long, elevated bridges like the 9.15 km long Dhola Sadiya Bridge in Assam, which allows for year-round travel and quick access to hospitals even when rivers flood.

(ii) For dense, wet mountainous forests, you could showcase sustainable living root bridges crafted from the roots of Indian rubber trees, similar to those built by the Khāsi and Jaintia tribes in Meghalaya.

(iii) In steep mountainous terrains, strong tunnels (like the Atal Tunnel in Himachal Pradesh) can be drawn to ensure safe and continuous passage.

(iv) In all disaster-prone regions, robust communication towers are vital for sending out quick mobile SMS alerts during emergencies.

(iv) If you could design a new railway or metro station, what would it look like and what features would you add to make it more fun and comfortable for the passengers?

Ans: A newly designed railway or metro station should be sustainable, inclusive, and close to nature. Your poster could illustrate a station that uses cleaner energy by installing solar panels on its roof to generate its own electricity. Inspired by the Kempegowda International Airport, you could add vibrant green spaces, indoor plants, and bamboo structures to give it a relaxing ‘garden’ feel. To ensure comfort for everyone, the design must heavily feature elderly and disabled-friendly infrastructure, such as ramps and smooth walkways. Finally, you could include smart safety features around the station, like sensor alarm systems to protect animals crossing the tracks.

7. Today’s modern infrastructure requires consistent technological innovations. For instance, electric vehicles are increasingly being used by people as a cheaper alternative to polluting fuel like diesel or petrol. Find out about other innovations in infrastructure that can improve ease of living or mobility for communities.

Ans: Other innovations include the shift to cleaner fuels like electricity for the entire Indian railway network, solar-powered metro systems (like the Delhi Metro), and fast digital communication technologies such as 5G and cloud computing. Additionally, the rise of e-governance (like the DigiLocker app) and e-commerce platforms are major innovations that allow citizens to store important documents digitally and run businesses from their smartphones, greatly improving the ease of daily life.