Minerals and Energy Resources of India — Coal, Iron, Petroleum, Nuclear, Solar, Wind

India is the world’s third-largest energy consumer. Understanding the distribution of minerals and energy resources is essential for Kerala PSC geography questions.

Classification of Minerals

Type	Examples
Metallic — Ferrous	Iron ore, manganese, chromite, nickel, cobalt, tungsten
Metallic — Non-ferrous	Copper, bauxite (aluminium), lead, zinc, tin, gold
Non-metallic	Mica, limestone, gypsum, dolomite, phosphate
Energy minerals	Coal, petroleum, natural gas, uranium, thorium

Iron Ore

Aspect	Details
India’s rank	4th largest producer globally
Types	Haematite (best quality, 70% iron content, found in Odisha, Jharkhand, Chhattisgarh); Magnetite (Karnataka, Goa, Tamil Nadu)
Top producing states	Odisha (1st), Karnataka, Chhattisgarh, Jharkhand, Goa

Major Iron Ore Deposits:

Region	States	Key Mines
Odisha-Jharkhand belt	Odisha, Jharkhand	Singhbhum, Bonai, Mayurbhanj, Noamundi
Karnataka	Karnataka	Bellary-Hospet, Kudremukh, Sandur
Chhattisgarh-MP belt	Chhattisgarh	Bailadila, Dalli-Rajhara
Goa	Goa	Declining production due to mining ban

Coal

Aspect	Details
India’s rank	2nd largest producer (after China)
Share in energy	Accounts for about 55% of India’s energy needs
Total reserves	Estimated 350+ billion tonnes
Top state	Jharkhand (largest reserves), followed by Odisha, Chhattisgarh, West Bengal

Types of Coal (by carbon content):

Type	Carbon %	Found in	Quality
Anthracite	80–95%	Jammu and Kashmir (small deposits)	Highest quality
Bituminous	60–80%	Jharkhand, Odisha, West Bengal, Chhattisgarh, MP	Most widely used
Lignite (brown coal)	40–55%	Tamil Nadu (Neyveli), Rajasthan, Gujarat	Lower quality
Peat	Below 40%	Marshy areas	Lowest quality

Major Coalfields:

Coalfield	State
Jharia	Jharkhand (largest coalfield in India)
Raniganj	West Bengal (oldest coalfield; mining since 1774)
Bokaro	Jharkhand
Korba	Chhattisgarh
Singrauli	MP-UP border
Talcher	Odisha
Neyveli	Tamil Nadu (lignite)

Petroleum (Crude Oil)

Aspect	Details
India’s rank	3rd largest consumer; imports about 85% of crude oil needs
Top producing state	Rajasthan (Barmer basin), followed by Gujarat, Assam, offshore Mumbai High
Regulator	Directorate General of Hydrocarbons (DGH)

Major Oil Fields:

Oil Field	Location
Mumbai High (Bombay High)	Arabian Sea, offshore Maharashtra — largest offshore field
Ankleshwar	Gujarat
Kalol, Nawagam	Gujarat (Cambay basin)
Digboi	Assam — oldest oil field in India (production since 1901)
Naharkatiya, Moran	Assam
Barmer-Sanchor basin	Rajasthan (Mangala, Bhagyam, Aishwariya fields)
Krishna-Godavari basin	Andhra Pradesh (offshore, gas-rich)

Major Refineries:

Refinery	Location	Operator
Jamnagar	Gujarat	Reliance Industries — largest refinery in the world
Mathura	Uttar Pradesh	IOCL
Panipat	Haryana	IOCL
Kochi	Kerala	BPCL
Numaligarh	Assam	NRL

Natural Gas

Aspect	Details
Major source	Krishna-Godavari (KG) basin — largest gas reserves
Other sources	Mumbai High, Cambay basin, Assam, Tripura
City gas distribution	PNG (piped natural gas) and CNG expanding in cities
Regulator	PNGRB (Petroleum and Natural Gas Regulatory Board)

Bauxite (Aluminium Ore)

Aspect	Details
India’s rank	5th largest bauxite producer
Top state	Odisha (largest reserves — Panchpatmali deposits in Koraput)
Other states	Gujarat, Jharkhand, Maharashtra, Chhattisgarh, Tamil Nadu

Mica

Aspect	Details
Uses	Electrical and electronic industries (insulation)
Top producing state	Andhra Pradesh (Nellore district — leading producer)
Other states	Jharkhand (Koderma — was historically #1), Rajasthan
India was	Once the world’s largest mica producer

Nuclear Energy

Aspect	Details
Governing body	Department of Atomic Energy (DAE); Atomic Energy Commission
Regulator	AERB (Atomic Energy Regulatory Board)
Uranium	Found in Jaduguda (Jharkhand — primary mine), Tummalapalle (Andhra Pradesh), Meghalaya
Thorium	India has world’s largest thorium reserves — Kerala (monazite sands in Chavara, Manavalakurichi), Tamil Nadu coast

Nuclear Power Plants:

Plant	State	Fuel
Tarapur	Maharashtra	First in India (1969); Boiling Water Reactor
Rawatbhata (RAPS)	Rajasthan	PHWR
Kalpakkam (MAPS)	Tamil Nadu	First fully indigenous reactor
Narora	Uttar Pradesh	PHWR
Kakrapar (KAPS)	Gujarat	PHWR
Kudankulam	Tamil Nadu	Largest; Russian VVER reactors
Kaiga	Karnataka	PHWR

Renewable Energy

Solar Energy

Aspect	Details
India’s target	500 GW non-fossil fuel capacity by 2030
Top solar states	Rajasthan, Gujarat, Tamil Nadu, Karnataka
National Solar Mission	Launched 2010 (Jawaharlal Nehru National Solar Mission)
International Solar Alliance (ISA)	India-France initiative; HQ in Gurugram, Haryana

Wind Energy

Aspect	Details
India’s rank	4th globally in installed wind capacity
Top state	Tamil Nadu (Muppandal in Kanyakumari — largest wind farm cluster)
Other states	Gujarat, Karnataka, Rajasthan, Maharashtra

Hydroelectric Energy

Aspect	Details
Largest hydro plant	Tehri Dam (Uttarakhand, 2,400 MW)
Top hydro state	Himachal Pradesh, Uttarakhand, Karnataka
Kerala example	Idukki Dam (780 MW — arch dam, largest in Kerala)

PSC-Focused Quick Recall

Question Pattern	Answer
Largest coalfield in India	Jharia (Jharkhand)
Oldest coalfield	Raniganj (West Bengal, since 1774)
Neyveli is famous for	Lignite (Tamil Nadu)
Oldest oil field in India	Digboi (Assam, 1901)
Largest refinery in the world	Jamnagar (Reliance, Gujarat)
First nuclear plant in India	Tarapur (Maharashtra, 1969)
Thorium reserves — India’s advantage	Largest in world; found in Kerala and Tamil Nadu coastal monazite sands
Kudankulam nuclear plant	Tamil Nadu; Russian-built
International Solar Alliance HQ	Gurugram, Haryana
Largest wind energy state	Tamil Nadu
Jharkhand is top producer of	Coal (also has iron ore, mica, uranium)
Kochi refinery operated by	BPCL