Infrastructure Engine of India's Development — Chapter Summary
CBSE · Class 7 · Social Science
Summary of Infrastructure Engine of India's Development for CBSE Class 7 Social Science. Part of the CBSE Class 7 Social Science syllabus.
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Overview
Infrastructure is the network of roads, bridges, railways, airports, ports, communication systems, water supply, and power that keeps life and the economy moving. It supports travel, trade, farming, education, health services, business, and government work. In India, strong infrastructure connects c
Key Concepts
A vast network of tangible structures
A vast network of tangible structures built to keep cities and villages functioning. It includes transport systems, utilities, communication networks,
India has the second
India has the second-largest road network in the world after the USA. Local roads help people reach schools, markets, and hospitals. State highways co
As of 2025
As of 2025, India’s national highways were around 150,000 km long. NH44 is the longest national highway at 4,112 km, running from Srinagar to Kanyakum
The Dhola Sadiya Bridge
The Dhola Sadiya Bridge, also called Bhupen Hazarika Setu, connects Assam and Arunachal Pradesh across the Lohit River. It is 9.15 km long, the second
The British introduced railways in India
The British introduced railways in India in 1853 to carry raw materials like cotton and tea for export. Today, Indian Railways carries over 20 million
Learning Objectives
- Understand the meaning of physical infrastructure and why it is important
- Identify major types of transport infrastructure such as roads, railways, metro trains, air transport, shipping, and ports
- Recognise the role of communication infrastructure in daily life, e-governance, and e-commerce
- Learn how infrastructure supports farming, trade, emergency services, and national development
- Understand the importance of public responsibility in protecting and maintaining infrastructure
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Sources & Official References
- NCERT Official — ncert.nic.in
- CBSE Academic — cbseacademic.nic.in
- CBSE Official — cbse.gov.in
- National Education Policy 2020 — education.gov.in
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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