GS3 · Module 8 of 22
Infrastructure – UPSC GS3
This module of the GS Paper 3: Economy, Environment, S&T & Security course covers energy, transport, urban and digital infrastructure and investment models. It has 4 study lessons and a 32-question practice quiz. Free lessons can be read in full; premium lessons show a preview.
Lessons in this module
1. Energy Infrastructure: Power, Coal, Oil, Gas and Renewables
Free 7 minEnergy is the input to every economic activity. India is the world's third-largest energy consumer and third-largest electricity producer, but its per capita electricity consumption is only about 1,400 kWh a year, roughly a third…
2. Transport Infrastructure: Roads, Railways, Ports and Aviation
Premium 7 minLogistics costs: India's costs were long estimated at 13–14% of GDP. A DPIIT–NCAER study (2023) put them lower, at about 7.8–8.9%. Either way, high costs, slow movement and an excessive reliance on roads blunt the…
3. Urban Infrastructure, Investment Models and PPPs
Premium 7 minScale: about 36% of Indians lived in urban areas in 2023 (UN estimates); Census 2011 put it at 31.1%. The share is projected to pass 40% by 2030. Cities produce over 60% of GDP. Census…
4. Telecom, Digital Infrastructure and Water Infrastructure
Premium 7 minSize: India has about 120 crore telecom subscribers, the second-largest market in the world, and about 95 crore broadband users (TRAI, 2025). Mobile data is among the cheapest in the world, after price competition in…
Module quiz: Infrastructure (32 questions)Maps & infographics in this module


Frequently asked questions
Related modules
Back to the GS Paper 3: Economy, Environment, S&T & Security course.
Join to unlock every lesson, revision note and mock test
Structured GS1–GS4, CSAT and Essay courses with maps, infographics, module quizzes and full-length mocks.
Create a free account See plans


