Why this chapter matters for UPSC: Industrial location questions (iron and steel plants, cotton textile centres) are standard GS1 map-based questions. The classification of industries by ownership (public, private, cooperative), location factors, and IT sector growth are core GS3 economic topics. India's industrial policy — SEZs, PLI schemes, Make in India — builds directly on this foundation.

PART 1 — Quick Reference Tables

Classification Basis	Type	Examples
Raw material	Agro-based	Cotton textile, jute, sugar, edible oil, food processing
Raw material	Mineral-based	Iron and steel, cement, aluminium, machine tools
Raw material	Marine-based	Fish processing, seafood, seaweed products
Raw material	Forest-based	Paper and pulp, furniture, lac, matchsticks
Size	Large-scale	SAIL steel plants, automobile (Maruti, Tata Motors), petrochemicals
Size	Medium-scale	Auto components, pharmaceuticals
Size	Small-scale	Powerloom, hosiery, toys, sports goods (Jalandhar)
Size	Cottage/Household	Weaving, pottery, cane and bamboo work, handloom sarees
Ownership	Public sector	Bhilai Steel (SAIL), BHEL, HAL, ONGC, NTPC, Indian Railways
Ownership	Private sector	Tata Steel (Jamshedpur), Reliance Industries, Infosys, Wipro
Ownership	Joint sector	Maruti Suzuki (originally; now mostly private)
Ownership	Cooperative sector	Amul (GCMMF), IFFCO (fertilisers), sugar cooperatives (Maharashtra)

Iron and Steel Plant	Location	Aided By	Year	Operator
Jamshedpur (TISCO)	Jharkhand (Subarnarekha-Kharkai confluence)	Private (Tata)	1907	Tata Steel
Bhilai	Chhattisgarh	USSR (Russia)	1959	SAIL
Rourkela	Odisha	West Germany	1959	SAIL
Durgapur	West Bengal	UK (Britain)	1959	SAIL
Bokaro	Jharkhand	USSR (Russia)	1964	SAIL
Vishakhapatnam (VSP)	Andhra Pradesh	USSR (Russia)	1992	RINL
Salem	Tamil Nadu	—	1982	SAIL
Bhadravati	Karnataka	—	1923 (expanded)	VISL/SAIL

PART 2 — Detailed Notes

Classification of Industries

Key Term

By Size (investment in plant and machinery, as per MSME Act 2006/revised 2020):

Micro enterprises: Investment up to ₹1 crore; turnover up to ₹5 crore Small enterprises: Investment up to ₹10 crore; turnover up to ₹50 crore Medium enterprises: Investment up to ₹50 crore; turnover up to ₹250 crore Large-scale industries: Beyond MSME thresholds; heavy machinery, large capital

By Ownership:

Public Sector: Owned by government — Central PSUs (CPSEs) like SAIL, BHEL, HAL, ONGC, Coal India, NTPC, Indian Oil. Navratna, Maharatna, Miniratna status based on profitability and scale.
Private Sector: Owned by individuals/companies — Tata Steel, Reliance Industries, Infosys, Wipro, Bajaj Auto.
Joint Sector: Shared ownership — government + private. Example: Maruti Udyog (originally Government of India + Suzuki Japan).
Cooperative Sector: Owned and managed by producers or workers — Amul (Gujarat Cooperative Milk Marketing Federation), IFFCO (Indian Farmers Fertiliser Cooperative), Lijjat Papad.

MSMEs' Importance:

~7.83 crore MSME enterprises registered on Udyam portal + Udyam Assist Platform (PIB, February 2026)
Contribute ~30% of GDP, 45% of exports, 110 million employment
MSME Ministry schemes: MUDRA Yojana (credit), Udyam registration, SFURTI (cluster development), ZED certification

Iron and Steel Industry

UPSC Connect

UPSC GS1 — Industrial Location:

Raw materials required: Iron ore + Coking coal + Limestone (flux) + Manganese + Water + Power

Why Jamshedpur was chosen (1907): Proximity to Jharia and Raniganj coking coal + iron ore from Singhbhum + limestone from nearby areas + Subarnarekha and Kharkai rivers for water + well-connected by rail. India's first iron and steel plant — set up by Jamsetji Tata.

SAIL (Steel Authority of India Ltd.): PSU; owns Bhilai, Durgapur, Rourkela, Bokaro, Salem, Bhadravati plants; headquartered in New Delhi.

India's Steel Position:

India = 2nd largest steel producer globally (2024) — 151.1 MT (FY2024-25); well ahead of Japan (84 MT in 2024)
China = 1st (produces ~55% of world's steel)
India's National Steel Policy target: 300 MT production capacity by 2030-31
India is also a significant steel importer — faces dumping from China

Bhilai (Chhattisgarh): SAIL's largest and most modern integrated steel plant; Russia-aided (1959); located for access to Bailadila iron ore (Bastar) and Korba coal (Chhattisgarh).

RINL (Rashtriya Ispat Nigam Ltd.) — Vishakhapatnam Steel Plant: Only coastal steel plant in India; uses sea route to import coking coal; started 1992; known as "Vizag Steel."

Cotton Textile Industry

Key Term

History:

India's oldest industry in the modern sense
First cotton mill established in Mumbai in 1854 by Cowasji Nanabhoy Davar
Concentrated in Maharashtra (Mumbai = "Cottonopolis") and Gujarat (Ahmedabad = "Manchester of India")

Current Status:

India = major textile and apparel exporter — ~$36–38 billion (FY2024-25); among world's top exporters
India = 2nd largest cotton producer (after China)
Tirupur (Tamil Nadu) = largest knitwear cluster; Ludhiana (Punjab) = woollen knitwear; Surat (Gujarat) = synthetic textiles; Varanasi/Kanchipuram = silk sarees (GI tagged)
Handloom sector: 35 lakh weavers; supports cottage industry; many GI tags (Pochampally ikkat, Chanderi, Madhubani)

Challenges:

Competition from Bangladesh and Vietnam (lower labour costs)
Old machinery in organised mills (especially mill towns)
GST compliance burden on small units
Post-COVID supply chain disruption

PLI Scheme for Textiles (2021): ₹10,683 crore over 5 years; focus on MMF (man-made fibre) and technical textiles — sectors where India lags China.

Information Technology Industry

UPSC Connect

UPSC GS3 — IT Industry and Economic Growth:

Scale:

India's IT-BPM industry revenue: ~$283 billion (FY2024-25, NASSCOM) — up from $254 billion in FY23-24
IT exports: ~$224 billion (FY2024-25) — up from ~$200 billion in FY23-24
Employment: ~5.8 million directly (FY2024-25); ~13 million indirectly
India supplies ~55% of the world's offshore IT services

Major Hubs:

Bengaluru: "Silicon Valley of India / Asia" — ITPL (Whitefield), Electronic City; HQ of Infosys, Wipro, Biocon
Hyderabad: HITEC City — Google, Microsoft, Amazon India HQs; Cyberabad
Chennai: Chennai-Sholinganallur-OMR corridor; TCS, Cognizant, HCL
Pune: Rajiv Gandhi Infotech Park, Hinjewadi
NCR (Gurgaon, Noida): NASSCOM, financial services BPO
Mumbai: BFSI (Banking, Financial Services, Insurance) tech hub

Key Companies:

TCS (Tata Consultancy Services) — India's most valuable company; ~$29 billion revenue
Infosys — N.R. Narayana Murthy; Bengaluru; ~$18 billion revenue
Wipro — ~$11 billion; Bengaluru
HCL Technologies — Noida; ~$13 billion
Tech Mahindra — Pune

NASSCOM: National Association of Software and Services Companies — apex industry body; publishes annual IT industry report; lobbies for sector-friendly policy.

Startup Ecosystem:

India = 3rd largest startup ecosystem globally; 2,23,000+ DPIIT-recognized startups (March 2026) — nearly doubled from 2024
~131 unicorns (startups valued >$1 billion, May 2026; Tracxn) — 3rd globally after USA and China
Startup India Initiative (2016); Fund of Funds; SIDBI support

Industrial Location Factors

Explainer

Factors determining where industries locate:

Raw material availability: Heavy industries locate near raw materials (steel plants near coal and iron ore)
Power supply: Cheap and reliable electricity; thermal plants in coal-rich states; hydro-power attracted aluminium smelters
Water: Steel, paper, chemicals require large water volumes; location near rivers or reservoirs
Labour: Skilled (IT in Bengaluru-near IISc, IITs) or cheap unskilled (textiles, garments)
Market access: Consumer goods industries near urban markets
Transport: Railways (Jamshedpur on rail network), ports (Vishakhapatnam Steel near port)
Government policy: Special Economic Zones (SEZs — tax holidays, single-window clearance); Production Linked Incentive (PLI) schemes (14 sectors, ₹2 lakh crore+)
Agglomeration economies: Industries cluster together to share infrastructure, suppliers, skilled labour (Pune auto cluster, Tirupur knitwear)

Environmental Concerns of Industrialization:

Air pollution: SO₂, NOₓ, PM2.5 from thermal plants, steel plants, cement kilns
Water pollution: Industrial effluent into rivers — Ganga pollution (tanneries, textile dyeing), Yamuna (Delhi industries)
Hazardous waste: Chemical and pharmaceutical industries; Bhopal gas tragedy (1984) — Union Carbide MIC leak
Land degradation: Open-cast mining; fly ash from thermal plants (India generated ~340 MT in FY2024-25, of which 98% was utilized — PIB August 2025; target 100% utilization)
Regulations: Environment Protection Act (1986), Water (Prevention and Control of Pollution) Act (1974), Air Act (1981); CPCB (Central Pollution Control Board) + State PCBs

Exam Strategy

Prelims traps:

Jamshedpur (Tata Steel) = PRIVATE sector; Bhilai, Durgapur, Rourkela, Bokaro = PUBLIC sector (SAIL)
Bhilai = Russia-aided; Rourkela = Germany-aided; Durgapur = UK-aided — very commonly confused
India's FIRST iron and steel plant = Jamshedpur (1907); FIRST government-owned = Bhilai (1959)
Ahmedabad = "Manchester of India" for cotton; NOT Mumbai (Mumbai = "Cottonopolis")
India = 2nd largest steel producer; China = 1st
India's only COASTAL steel plant = Vishakhapatnam (RINL)

Mains angles:

Industrial policy: PLI schemes, Make in India, Atmanirbhar Bharat — objectives and challenges
MSME sector: Employment generation, credit access, formalization challenges
Industrial pollution: Ganga Action Plan, NCAP (National Clean Air Programme)
IT industry: GIG economy, AI disruption risk to India's IT advantage

Practice Questions

Prelims:

Which of the following steel plants in India was established with the help of the former Soviet Union (USSR)?
(a) Jamshedpur
(b) Bhilai
(c) Durgapur
(d) Rourkela
The first cotton textile mill in India was established in:
(a) Mumbai (1854)
(b) Ahmedabad (1861)
(c) Surat (1848)
(d) Kolkata (1857)
Which city is known as the "Silicon Valley of India"?
(a) Hyderabad
(b) Pune
(c) Bengaluru
(d) Chennai

Mains:

Discuss the factors that have led to the concentration of the iron and steel industry in the Damodar Valley region of India. What are the challenges faced by India's steel sector? (CSE Mains 2014, GS Paper 1, 12 marks)
India's IT industry has been a major driver of economic growth and employment. However, it faces the twin threats of automation and geopolitical uncertainty. Examine. (CSE Mains 2023, GS Paper 3, 15 marks)

Chapter 5: Industries