India's Biodiversity at a Glance

India hosts approximately 8% of the world's biodiversity on just 2.4% of the world's land area. It is one of the 17 mega-diverse countries identified by the World Conservation Monitoring Centre.

FeatureData
Known species~1,00,000+ (flora & fauna combined)
Flowering plants~18,000 species (6-7% of global total)
Mammals~427 species
Birds~1,353 species
Reptiles~581 species
Amphibians~458 species
Biodiversity hotspots4 out of 36 global — Himalayas, Western Ghats, Indo-Burma, Sundaland
Endemic species~33% of all recorded species are endemic

Protected Areas Network

India's conservation framework has four categories of protected areas under the Wildlife Protection Act, 1972.

Categories of Protected Areas

CategoryTotalArea (km²)Key Features
National Parks107~44,403Strictest protection; no human activity, no grazing, no private ownership
Wildlife Sanctuaries573~1,27,241Some human activities permitted; grazing may be allowed by Chief Wildlife Warden
Conservation Reserves115~5,549Buffer zones adjacent to NPs/WLS; managed by Conservation Reserve Management Committee
Community Reserves220~3,700On private/community land; managed by Community Reserve Management Committee
Total1,015~1,75,169~5.32% of India's geographic area

Prelims Trap: The crucial difference between National Parks and Wildlife Sanctuaries: In a national park, no human activity is permitted — no grazing, forestry, or private ownership. In a wildlife sanctuary, certain activities like grazing may be allowed with the Chief Wildlife Warden's permission, and private ownership can continue. Both are notified by the State Government. Only reclassification or de-notification requires a resolution of the State Legislature.

National Park vs Wildlife Sanctuary

FeatureNational ParkWildlife Sanctuary
Human habitationNot permittedPermitted with restrictions
GrazingProhibitedMay be allowed by CWLW
Private ownershipNo private rightsPrivate rights may continue
Boundary alterationOnly by State Legislature resolutionBy State Government order
Hunting/poachingAbsolute banAbsolute ban
EntryRegulated; needs permissionRelatively easier access

Wildlife Protection Act, 1972

The primary legislation for wildlife conservation in India.

FeatureDetail
Enacted1972; came into force 9 September 1972
Constitutional basisConcurrent List (Entry 17B added by 42nd Amendment, 1976 — forests; Entry 17A — protection of wild animals and birds)
ScopeProtection of wild animals, birds, plants; creation of protected areas; regulation of trade
Administering bodyMinistry of Environment, Forest and Climate Change (MoEFCC)
Major amendments1991, 2002, 2006, 2022

Schedule System (Post-2022 Amendment)

The 2022 Amendment rationalised the earlier six-schedule system:

ScheduleProtection LevelExamples
Schedule IHighest protection; harshest penaltiesTiger, Asiatic Lion, Snow Leopard, Great Indian Bustard, Ganges River Dolphin
Schedule IIHigh protectionHimalayan Black Bear, Indian Cobra, Monitor Lizard
Schedule IIIProtected speciesHyena, Hog Deer, certain birds
Schedule IVCITES-listed species (new in 2022)Species regulated under international trade conventions

Key Provisions

  • Hunting ban — complete ban on hunting except for: (a) self-defence, (b) prevention of crop/property damage (with permit), (c) scientific research (with CWLW permission)
  • Trade regulation — commercial trade in wildlife products is prohibited
  • Protected area creation — empowers State Governments to declare NPs, WLSs, CRs, and Community Reserves
  • National Board for Wildlife (NBWL) — chaired by the Prime Minister; approves projects in and around protected areas
  • State Board for Wildlife — chaired by the Chief Minister
  • Central Zoo Authority — regulates zoos across India
  • Tiger Conservation Authority (NTCA) — statutory body for Project Tiger (added by 2006 Amendment)

2022 Amendment — Key Changes

ChangeDetail
CITES implementationNew Schedule IV for CITES-listed species; regulates international trade
Invasive alien speciesCentral Government empowered to regulate import, possession, proliferation
Enhanced penaltiesMaximum fine increased from Rs 25,000 to Rs 1,00,000 for general violations
Schedule rationalisationReduced from 6 schedules to 4
Elephant transferPermits transfer of captive elephants for religious/other purposes with documentation

Major Conservation Projects

Project Tiger

FeatureDetail
Launched1 April 1973 (under PM Indira Gandhi)
Initial reserves9 (including Jim Corbett, Ranthambore, Kanha, Sundarbans)
Current reserves58 tiger reserves across 18 states
Area covered~84,500 km² (core + buffer)
Statutory bodyNational Tiger Conservation Authority (NTCA) — created by 2006 Amendment
MonitoringAll India Tiger Estimation (every 4 years using camera traps + DNA)

Tiger Population Trend

YearEstimated PopulationGrowth
20061,411Baseline (post-crisis census)
20101,706+21%
20142,226+30%
20182,967+33%
20223,682+24% (6.1% annual growth)

India hosts approximately 70% of the world's wild tiger population. Top states: Madhya Pradesh (785), Karnataka (563), Uttarakhand (560), Maharashtra (444).

For Mains: Despite population recovery, tigers face habitat fragmentation, shrinking corridors, and human-wildlife conflict. The key challenge is now space, not numbers. The National Tiger Conservation Authority has identified 32 major corridors connecting tiger reserves — many are threatened by highways, railways, and development projects.

Project Elephant

FeatureDetail
Launched1992
Current reserves33 Elephant Reserves in 14 states
Population~22,446 (WII DNA-based census, 2025); supersedes 2017 headcount of ~29,964
Key issuesCorridor fragmentation, human-elephant conflict (400+ human deaths/year), electrocution

Project Crocodile

FeatureDetail
Launched1975
Target speciesGharial, Mugger, Saltwater crocodile
Key centresMadras Crocodile Bank (Tamil Nadu), National Chambal Sanctuary (MP/UP/Rajasthan)
Gharial statusCritically Endangered (IUCN); ~650 individuals in the wild

Biosphere Reserves

India has 18 Biosphere Reserves, of which 13 are part of UNESCO's World Network of Biosphere Reserves (Cold Desert added September 2025).

FeatureDetail
ConceptUNESCO's Man and Biosphere (MAB) Programme (1971)
Three zonesCore zone (no human activity), Buffer zone (limited activity), Transition zone (sustainable livelihood)
First in IndiaNilgiri Biosphere Reserve (1986)
LargestGulf of Mannar (Tamil Nadu)

India's 18 Biosphere Reserves

Biosphere ReserveStateUNESCO Status
NilgiriTN, Kerala, KarnatakaYes (2000)
Gulf of MannarTamil NaduYes (2001)
SundarbansWest BengalYes (2001)
Nanda DeviUttarakhandYes (2004)
NokrekMeghalayaYes (2009)
PachmarhiMadhya PradeshYes (2009)
SimlipalOdishaYes (2009)
Achanakmar-AmarkantakMP, ChhattisgarhYes (2012)
Great NicobarAndaman & NicobarYes (2013)
AgasthyamalaiKerala, Tamil NaduYes (2016)
KhangchendzongaSikkimYes (2018)
PannaMadhya PradeshYes (2020)
ManasAssamNo
Dibru-SaikhowaAssamNo
Dihang-DibangArunachal PradeshNo
Cold DesertHimachal PradeshYes (2025)
SeshachalamAndhra PradeshNo
KutchGujaratNo

Prelims Fact: 13 of 18 are in the UNESCO World Network. The latest addition is Cold Desert (2025). Madhya Pradesh has the most biosphere reserves (3 — Pachmarhi, Amarkantak, Panna).


Ramsar Wetlands

India is a signatory to the Ramsar Convention on Wetlands (1971, Iran).

FeatureDetail
India's Ramsar sites99 (as of April 2026)
Total area~13.6 lakh hectares
First sites (1981)Chilika Lake (Odisha) & Keoladeo Ghana (Rajasthan)
India's rankHighest in Asia; third globally (after UK and Mexico)
State with most sitesTamil Nadu (20), followed by UP (11)

Why Ramsar matters for Prelims: UPSC regularly asks about specific Ramsar sites. Key additions in 2024-25 include several in Tamil Nadu and UP. The Ramsar Convention does NOT provide legal protection — it is a designation of international importance. Legal protection comes from national laws (Wildlife Protection Act, Environment Protection Act).

Key Ramsar Sites to Know

WetlandStateSignificance
Chilika LakeOdishaLargest brackish water lagoon in Asia; migratory birds
Keoladeo GhanaRajasthanUNESCO World Heritage; migratory bird paradise
Loktak LakeManipurOnly floating national park (Keibul Lamjao)
Vembanad-KolKeralaLongest lake in India; important for Kerala Backwaters
SundarbansWest BengalLargest mangrove forest; Royal Bengal Tiger habitat
Sambhar LakeRajasthanLargest inland salt lake in India
Wular LakeJ&KLargest freshwater lake in India

International Conventions

ConventionYearFocusIndia's Status
CITES1973Regulates international trade in endangered speciesSignatory; implemented via WLPA 2022 Amendment
CBD (Convention on Biological Diversity)1992Conservation, sustainable use, benefit-sharingSignatory; Kunming-Montreal Framework (2022) adopted
CMS (Convention on Migratory Species)1979Conserve migratory animals and their habitatsSignatory; India hosted COP-13 (2020, Gandhinagar)
Ramsar Convention1971Conservation and wise use of wetlandsSignatory; 99 designated sites (as of April 2026)
UNFCCC1992Climate change mitigation and adaptationSignatory; Paris Agreement (2015)
UNCCD1994Combat desertification and land degradationSignatory; India hosted COP-14 (2019, New Delhi)

CITES Appendices

AppendixProtection LevelTrade Allowed?
Appendix IThreatened with extinctionNo commercial trade
Appendix IINot yet threatened but may become if trade not regulatedRegulated trade with permits
Appendix IIIProtected in at least one country seeking cooperationTrade allowed with certificate of origin

Prelims Trap: CITES Appendix I = no commercial trade (like IUCN Critically Endangered). Appendix II = regulated trade (like IUCN Vulnerable). Don't confuse CITES appendices with IUCN Red List categories — they are separate classification systems managed by different organisations.


IUCN Red List Categories

CategoryAbbreviationExample (India)
ExtinctEXPink-headed Duck
Extinct in the WildEW
Critically EndangeredCRGreat Indian Bustard, Gharial, Pygmy Hog
EndangeredENAsiatic Lion, Bengal Tiger, Gangetic Dolphin, Indian Elephant
VulnerableVUSnow Leopard, Indian Rhinoceros, Lion-tailed Macaque
Near ThreatenedNTNilgiri Tahr
Least ConcernLCRhesus Macaque, Indian Peafowl

Exam Tip: The Bengal Tiger is classified as Endangered (EN) globally. Snow Leopard was downlisted from EN to Vulnerable (VU) in 2017. The Great Indian Bustard is CR with fewer than 150 individuals. UPSC loves asking about specific species and their IUCN status — memorise at least the top 10 CR and EN species of India.


Human-Wildlife Conflict

This is an increasingly important Mains topic as development encroaches on wildlife habitats.

AspectDetail
Scope400+ human deaths from elephants annually; 50+ from tigers; crop damage worth crores
HotspotsWestern Ghats (elephant), Sundarbans (tiger), Rajasthan (leopard), Assam (elephant, rhino)
Government measuresCompensation schemes, early warning systems, wildlife corridors, solar fencing
Legal frameworkSection 11 of WLPA allows Chief Wildlife Warden to permit killing of animals in self-defence or to prevent crop damage

For Mains: The core tension is between Right to Life (Article 21) — which courts have extended to include wildlife — and the livelihood rights of forest-dwelling communities. The Scheduled Tribes and Other Traditional Forest Dwellers (Recognition of Forest Rights) Act, 2006 grants rights to forest communities but can conflict with strict wildlife protection. Discuss this as a governance challenge, not a binary choice.


UPSC Relevance

Prelims Focus Areas

  • Difference between National Park and Wildlife Sanctuary
  • Tiger reserves (total number, top states)
  • Biosphere Reserves (18 total, 13 UNESCO, key names)
  • Ramsar sites (number, first sites, key sites)
  • IUCN Red List categories and Indian species
  • CITES Appendices (I, II, III — what each means)
  • Wildlife Protection Act schedules and 2022 amendment changes
  • Project Tiger, Project Elephant statistics

Mains Focus Areas

  • Human-wildlife conflict — causes, solutions, case studies
  • Conservation vs development (forest diversion for projects)
  • Forest Rights Act vs Wildlife Protection Act tension
  • Corridor connectivity and habitat fragmentation
  • International conventions — India's commitments and compliance
  • Community-based conservation models
  • Climate change impact on wildlife and protected areas

Recent Developments (2024–2026)

Tiger Census 2022 Results and 58 Tiger Reserves (2024)

India's tiger population reached 3,682 as per the All India Tiger Estimation 2022, released in 2023 by the National Tiger Conservation Authority (NTCA). This represents approximately 75% of the world's wild tiger population, up from 1,411 in 2006. Madhya Pradesh leads with 785 tigers, followed by Karnataka (563), Uttarakhand (560), and Maharashtra (444). Jim Corbett National Park holds the highest density at 14 tigers per 100 sq km (231 total).

As of 2025, India has 58 Tiger Reserves covering 84,500 sq km, with the most recent additions including Guru Ghasidas-Tamor Pingla (Chhattisgarh), Ramgarh Vishdhari (Rajasthan), and Veerangana Durgavati (Madhya Pradesh). Project Tiger, launched in 1973, marks over 50 years of operation with the tiger population recovering more than 2.6 times since its inception.

UPSC angle: Tiger census numbers (3,682), number of tiger reserves (58), and the state-wise distribution are direct Prelims facts; Project Tiger's 50th anniversary in 2023 may feature in Mains questions on conservation success stories.


Cheetah Reintroduction and Kuno National Park Updates

India completed the world's first intercontinental carnivore translocation in 2022–2023, bringing 20 African cheetahs from Namibia and South Africa to Kuno National Park, Madhya Pradesh. 49 cubs have been born since 2023, of which 37 survive. However, adult cheetah mortality has been high — by September 2024, all surviving 12 adult cheetahs and 12 cubs were confined to protective enclosures rather than free-ranging in the wild. The first recorded birth of cheetah cubs in the wild at Kuno (by an Indian-born female) was reported in April 2026 — a significant conservation milestone. Plans exist to expand habitat to Gandhi Sagar Wildlife Sanctuary.

The programme faces challenges including high adult mortality (40% mortality rate), habitat suitability concerns, prey base adequacy, and managing carnivore-human conflicts. NTCA is working with international experts from the Cheetah Conservation Fund (Namibia) and the Wildlife Institute of India to address these challenges. A Cheetah Action Plan 2024 was developed with revised protocols for veterinary care and monitoring.

UPSC angle: Cheetah reintroduction is a flagship Prelims and Mains topic — questions may ask about the source countries (Namibia, South Africa), the site (Kuno NP), the legal framework (WPA 1972, CITES), and conservation challenges.


Ramsar Sites Expansion — 85 Sites by August 2024

India's tally of Ramsar sites (Wetlands of International Importance) reached 85 by 14 August 2024, following the addition of three new wetlands on Independence Day 2024. This included earlier additions on World Wetlands Day (2 February 2024), when five new sites were designated, bringing the total to 80 and subsequently to 85.

India now has the largest number of Ramsar sites in South Asia and among the highest globally. Tamil Nadu leads with 20 Ramsar sites. The total area under Ramsar designation in India covers over 13.6 lakh hectares. As of early 2026, India's count has risen further to 99 Ramsar sites.

UPSC angle: Ramsar site count is a high-probability Prelims fact (answer: 85 as of August 2024, 99 as of April 2026); Tamil Nadu's first rank, total area covered, and the Ramsar Convention's provisions are frequently tested.


Great Indian Bustard — Conservation Measures 2024

The Great Indian Bustard (GIB, Ardeotis nigriceps), classified as Critically Endangered on the IUCN Red List with fewer than 150 remaining individuals, continued to be a focus of conservation intervention in 2024. The Supreme Court of India addressed the conflict between GIB habitat protection and renewable energy expansion, directing the formation of a high-level committee to assess the feasibility of underground power cables in GIB territories in Rajasthan and Gujarat.

The MoEFCC maintained the GIB in Priority Species under the Integrated Development of Wildlife Habitats (IDWH) scheme. Captive breeding programmes continued at Sam Conservation Breeding Centre (Rajasthan). The species remains in Schedule I of the Wildlife Protection Act 1972 (giving it the highest protection) and in Appendix I of CITES.

UPSC angle: GIB's Critically Endangered status, the power line-habitat conflict, and the Supreme Court order on underground cabling are Mains-worthy; Prelims may ask about GIB's state bird status (Rajasthan) and IUCN category.


First Wild Cheetah Birth by Indian-Born Female — Historic Milestone at Kuno (April 2026)

In April 2026, a 25-month-old Indian-born female cheetah (daughter of Gamini, brought from South Africa) gave birth to four cubs in the wild at Kuno National Park, Madhya Pradesh — marking the first recorded wild birth by a cheetah born in India since the species was reintroduced in 2022. This F1 generation female reaching reproductive maturity and successfully whelping in a natural environment is a scientifically significant milestone that validates the cheetah reintroduction strategy.

India's total cheetah count rose to 57 following this birth (20 original + cubs born in captivity/semi-wild). Since 2023, 49 cubs have been born in 11 litters at Kuno, of which 37 survive. The new cubs were born in the wild area of the park (not in enclosures), demonstrating the transition from managed captivity to self-sustaining wild population — the ultimate goal of Project Cheetah. Plans to expand habitat to Gandhi Sagar Wildlife Sanctuary in Madhya Pradesh (a former cheetah habitat) are progressing.

UPSC angle: First wild-born cheetah cub by Indian-born female (April 2026, Kuno NP), India's total cheetah count (57), 49 cubs born since 2023, and the F1 generation significance are high-probability Prelims 2026 content; wild birth vs. managed breeding debate is a Mains GS-3 conservation theme.


Vocabulary

Poaching

  • Pronunciation: /ˈpoʊ.tʃɪŋ/
  • Definition: The illegal hunting, capturing, or killing of wild animals in violation of local, national, or international wildlife conservation laws.
  • Origin: From Middle English pocchen ("to bag"), via Old French pochier ("to thrust into a bag"), from Middle French poche ("pocket, pouch") — illegal hunters would stuff stolen game into bags to conceal their catch.

Corridor

  • Pronunciation: /ˈkɔːr.ɪ.dɔːr/
  • Definition: A strip of habitat connecting two or more larger patches of habitat, enabling wildlife to move safely between them for migration, foraging, and genetic exchange.
  • Origin: From Italian corridore ("a runner, a long passage"), from correre ("to run"), ultimately from Latin currere ("to run") — originally denoting a covered passageway in a building, extended to ecology in the 20th century.

Sanctuary

  • Pronunciation: /ˈsæŋk.tʃu.er.i/
  • Definition: A designated protected area where wild animals, birds, and plants are shielded from hunting, poaching, and habitat destruction, with limited human activities permitted under regulation.
  • Origin: From Latin sanctuarium ("a sacred place, shrine"), from sanctus ("holy, sacred") — originally a place of religious refuge, the meaning expanded to include protected areas for wildlife from the 1930s onward.

Key Terms

Project Tiger

  • Pronunciation: /ˈprɒdʒ.ekt ˈtaɪ.ɡər/
  • Definition: India's flagship wildlife conservation programme launched on 1 April 1973 by the Government of India under Prime Minister Indira Gandhi, initially designating 9 tiger reserves to protect the critically declining Bengal tiger (Panthera tigris tigris) through habitat preservation, anti-poaching operations, and scientific management. As of March 2025, the programme encompasses 58 tiger reserves across India, covering approximately 75,000+ sq km, and has overseen a dramatic recovery from ~1,827 tigers in the early 1970s to 3,682 tigers as per the 2022 All India Tiger Estimation — representing approximately 75% of the world's wild tiger population.
  • Context: Established in response to the alarming decline in India's tiger population revealed by a 1972 census (from an estimated 40,000 at the end of the 19th century to just 1,827). The programme was initially managed by the Project Tiger Directorate under the Ministry of Environment. Following the 2006 Amendment to the Wildlife Protection Act, the statutory National Tiger Conservation Authority (NTCA) was established in 2005 (operationalised 2006) to strengthen governance. Tiger reserves are structured with an inviolate core zone (critical tiger habitat) and a buffer zone (where limited human activities are permitted with mitigation measures). Notable success stories include Panna Tiger Reserve (MP), where tigers were successfully reintroduced after local extinction in 2009, and Sariska Tiger Reserve (Rajasthan), which was repopulated after a similar crisis.
  • UPSC Relevance: GS3 Environment and Biodiversity. Prelims tests launch year (1973), number of tiger reserves (58 as of 2025), latest tiger census figures (3,682 as per 2022 census), the role of NTCA (statutory body established under 2006 Amendment), and core-buffer zone structure of tiger reserves. Mains asks about the effectiveness of Project Tiger over 50+ years, human-wildlife conflict in buffer zones, the Ken-Betwa Link Project's impact on Panna Tiger Reserve, and whether tiger conservation success can be sustained given habitat fragmentation, linear infrastructure (roads, railways), and climate change. Connect to the Wildlife Protection Act, Forest Rights Act tensions, and India's global leadership in tiger conservation.

Wildlife Protection Act

  • Pronunciation: /ˈwaɪld.laɪf prəˈtek.ʃən ækt/
  • Definition: The primary legislation for wildlife conservation in India, enacted on 9 September 1972 (Act No. 53 of 1972), which provides for the protection of wild animals, birds, and plants, the creation of four categories of protected areas (national parks, wildlife sanctuaries, conservation reserves, community reserves), and the regulation of hunting and trade in wildlife products. India's protected area network under this Act currently comprises 1,015 protected areas covering approximately 1,75,169 sq km (about 5.32% of India's geographic area), including 107 national parks (Similipal was upgraded in April 2025 to become the 107th), 573 wildlife sanctuaries, 115 conservation reserves, and 220 community reserves.
  • Context: Passed by Parliament drawing constitutional authority from Entry 17A (protection of wild animals and birds) and Entry 17B (forests) of the Concurrent List, added by the 42nd Amendment (1976). The Act has been significantly amended in 1991, 2002, 2006, and 2022. The 2022 Amendment (came into force 1 April 2023) rationalised the species schedules from six to four — Schedule I (highest protection: tiger, Asiatic lion, snow leopard), Schedule II (high protection: Himalayan black bear, Indian cobra), Schedule III (protected species: hyena, hog deer), and a new Schedule IV dedicated to CITES-listed species for international trade regulation. The amendment also added Chapter VB for regulating international trade in scheduled species, established Wildlife Crime Control Bureau provisions, and addressed human-wildlife conflict management. Key statutory bodies include the National Board for Wildlife (chaired by the PM), NTCA, and the Central Zoo Authority.
  • UPSC Relevance: GS3 Environment. Prelims tests the four categories of protected areas and their key differences (no human activity or private ownership in NPs vs limited activities and continued private rights in WLS — a frequently tested distinction), and the 2022 Amendment's schedule rationalisation (six to four). Mains asks about balancing conservation with tribal rights (Forest Rights Act 2006 vs Wildlife Protection Act — a recurring tension), the adequacy of India's 5.32% protected area coverage against the 30x30 target (Kunming-Montreal Global Biodiversity Framework), and whether the 2022 Amendment's CITES integration will improve India's enforcement against wildlife trafficking.