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

Updated on 2026-09-19

About this chapter

Physical infrastructure is the “vast network of tangible structures built to keep our cities and villages functioning”. The chapter lists four families of it: transportation (roads, bridges, railways), utilities (electricity, water pipelines), communication networks (internet, telephone lines, telecom towers) and energy infrastructure (windmills, solar parks, oil and gas pipelines). The opening quotation from APJ Abdul Kalam sets the standard: a developed India is one where urban and rural areas have the same infrastructure. Infrastructure works as a chain, not as separate pieces. Rishabh’s journey from Delhi to Talegaon uses a bridge, a car park, a metro, a train, a smartphone, a bus, flyovers and an autorickshaw. Satish’s tomatoes need canals and electric pumps for irrigation, roads for

  • Chapter opening
  • Introduction
  • After Rishabh’s journey and Satish’s tomatoes
  • Opening of ‘Transportation Infrastructure’
  • (c) Metro train systems
  • (d) Air transport, with the map of airports (Fig. 7.18)
  • After the account of J.C. Bose and his inventions
  • Before ‘Collective Responsibility Towards Infrastructure’
  • Collective Responsibility Towards Infrastructure
  • The chapter in two points
  1. Chapter opening — The Big Questions Page 169
  2. Introduction — In-text Questions Page 170
  3. After Rishabh’s journey and Satish’s tomatoes — THINK ABOUT IT Page 173
  4. Opening of ‘Transportation Infrastructure’ — In-text Question Page 173
  5. (c) Metro train systems — LET’S EXPLORE Page 180
  6. (d) Air transport, with the map of airports (Fig. 7.18) — In-text Question Page 181
  7. After Rani’s voice note travels from Madhya Pradesh to Tamil Nadu — THINK ABOUT IT Page 185
  8. After the account of J.C. Bose and his inventions — THINK ABOUT IT Page 187
  9. Before ‘Collective Responsibility Towards Infrastructure’ — THINK ABOUT IT Page 188
  10. Collective Responsibility Towards Infrastructure — LET’S EXPLORE Page 190
  11. The chapter in two points — Before we move on … Page 190
  12. End-of-chapter exercise — Questions and activities Page 191–192
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