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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 min

Energy 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 min

Logistics 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 min

Scale: 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 min

Size: 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

Floating solar panels in Madhya Pradesh seen by satellite
Floating solar panels in Madhya Pradesh seen by satellite. Credit: Wikimedia Commons · Public domain.
Wind turbines at a wind farm
Wind turbines at a wind farm. Credit: Wikimedia Commons · CC0.
Pie chart of India's installed power capacity in mid-2025: coal and lignite about 48 percent, solar about 24 percent, wind about 10 percent, large hydro about 10 percent, gas about 5 percent, nuclear about 2 percent
Non-fossil sources crossed half of installed capacity in 2025, but coal still produces most electricity. Shares are rounded.
Map of India showing coal states in the east and centre (Jharkhand, Odisha, Chhattisgarh, West Bengal, Madhya Pradesh, Telangana), solar states Rajasthan and Gujarat, wind states Tamil Nadu and Karnataka, and strategic petroleum reserve sites
Coal lies in the eastern and central plateau; the best solar and wind resources are in the west and south. Gujarat and Karnataka are strong in both solar and wind.
Flowchart of the power value chain from generation through transmission to distribution, with discom problems and reforms
Discom finances determine whether generators are paid and whether new capacity is built.
A WAG-9 electric locomotive of Indian Railways
A WAG-9 electric locomotive of Indian Railways. Credit: Wikimedia Commons · CC0.

Frequently asked questions

Lessons: Energy Infrastructure: Power, Coal, Oil, Gas and Renewables; Transport Infrastructure: Roads, Railways, Ports and Aviation; Urban Infrastructure, Investment Models and PPPs; Telecom, Digital Infrastructure and Water Infrastructure.

Answer: Visakhapatnam, Mangaluru and Padur. 5.33 MT.

Answer: Gondwana period. Gondwana.

Answer: Gurugram. Gurugram.

Answer: 2070. COP26.

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