Tiger Reserves of India: Project Tiger, Core-Buffer Zones and Record-Holders
Tiger Reserves are one of UPSC's most confusable static topics: aspirants routinely mix up Project Tiger (1973) with the NTCA (2006), swap core and buffer zone rules, misname the original 9 reserves, and quote outdated 'largest/smallest' superlatives. This confusion-buster untangles the dates, the legal framework and the record-holders in one place.

📌 Revision Pointers
Project Tiger launched 1 April 1973 with 9 reserves; NTCA came later, in 2006, as a statutory body under Section 38L of the WLPA, 1972.
Core zone = National Park/Sanctuary-level protection; Buffer zone = regulated multi-use area around it.
India has 58 tiger reserves (2025-26); the newest is Madhav Tiger Reserve, Madhya Pradesh.
Largest: Nagarjunsagar-Srisailam (AP-Telangana, ~3,728 sq km). Smallest: Bor, Maharashtra (~138 sq km, since 2014) - not Orang.
Madhya Pradesh leads all states in tiger reserve count; Corbett (Uttarakhand) leads in tiger population and density.
1. Project Tiger vs NTCA: Getting the Dates and Roles Straight
Wildlife (Protection) Act, 1972 - The parent law that first gave India a legal framework for protected areas and endangered-species protection; it predates Project Tiger by exactly one year and everything below is built on top of it.
Mnemonic Hook: "'72 gives the law, '73 gives the tigers a home."
Link: Its 2006 amendment is what later creates the NTCA a few lines down.
Project Tiger (launched 1 April 1973) - Started at Jim Corbett National Park as a Centrally Sponsored Scheme (not a statutory authority) with 9 tiger reserves covering roughly 18,278 sq km, after the 1972 all-India census found only 1,827 tigers left in the wild.
Mnemonic Hook: "Project Tiger is a SCHEME, not an Authority - it has no 'Section' of the Act behind it, only funding guidelines."
Link: Compare directly with the NTCA entry below, which IS a statutory body with legal powers Project Tiger never had.
Tiger Task Force (2005) - Constituted by the Government after tigers were found locally extinct in Sariska Tiger Reserve (2004-05); its report is what recommended a dedicated statutory authority.
Mnemonic Hook: "Sariska lost its tigers, so India first got a Task Force - and only then got an Authority."
Link: Its recommendations feed directly into the NTCA below - this Sariska-Task Force-NTCA sequence is the single most commonly scrambled date trio in this topic.
National Tiger Conservation Authority (NTCA) - A statutory body constituted under Section 38L of the Wildlife (Protection) Act, 1972, as inserted by the Wildlife (Protection) Amendment Act, 2006; unlike Project Tiger, it can approve State Tiger Conservation Plans and issue legally binding directions.
Mnemonic Hook: "NTCA's power comes from Section 38-'L' - think 'L' for the Legal teeth Project Tiger never had."
Link: Its functions are separately listed under Section 38O of the same Act - a favourite fill-in-the-blank pairing (38L = constitution, 38O = functions).
2. Core Zone vs Buffer Zone: The Legal Backbone of Every Reserve
Core / Critical Tiger Habitat - Carries the same legal status as a National Park or Wildlife Sanctuary; it must be kept inviolate for wildlife, so no human settlement or commercial activity is allowed inside it.
Mnemonic Hook: "CORE = Closed, Off-limits, Reserved Exclusively for tigers."
Link: A Tiger Reserve is therefore not a fresh land category on its own - it is legally assembled from an existing National Park or Sanctuary (as its core) plus new buffer land wrapped around it.
Buffer / Peripheral Zone - A multiple-use area of mixed forest and non-forest land where regulated grazing, tourism and local livelihoods are permitted, meant to absorb human pressure before it reaches the core.
Mnemonic Hook: "BUFFER sounds like 'buffet' - a little bit of everything (forestry, tourism, village life) is served here."
Link: This core-buffer split only became a binding legal requirement through the 2006 Amendment described above - before that it was just an administrative practice.
3. The Original 9 Tiger Reserves (1973), State by State
Bandipur - Karnataka.
Mnemonic Hook: "Bandipur sits exactly where Karnataka meets Kerala and Tamil Nadu, at the core of the Nilgiri Biosphere Reserve."
Link: Do not confuse this Nilgiri-cluster membership with being a Biosphere Reserve itself - Bandipur is the Tiger Reserve component within the larger Nilgiri Biosphere Reserve.
Corbett - Uttarakhand.
Mnemonic Hook: "Named after Jim Corbett, who hunted man-eaters in the Kumaon hills of Uttarakhand - and the park itself dates back to 1936, decades before Project Tiger existed."
Link: This 1936 origin (as Hailey National Park, India's first national park) is a classic trap - see Common Confusion Traps below.
Kanha - Madhya Pradesh.
Mnemonic Hook: "Kanha's sal-forest landscape inspired Rudyard Kipling's 'The Jungle Book'."
Link: One of MP's reserves - MP today has the most tiger reserves of any state (see Section 5).
Manas - Assam.
Mnemonic Hook: "Manas river marks the India-Bhutan border; Manas wears three hats at once - Tiger Reserve, Biosphere Reserve and UNESCO World Heritage Site."
Link: A perfect example of the 'multi-tag' trap explained under Sundarbans below.
Melghat - Maharashtra.
Mnemonic Hook: "Melghat literally means 'meeting of ghats' - it sits in the Satpura hill ranges of Maharashtra."
Link: Not to be confused with Bor, Maharashtra's much smaller, much later (2014) tiger reserve covered in Section 5.
Palamau - Jharkhand (then undivided Bihar, since Jharkhand was only carved out in 2000).
Mnemonic Hook: "Palamau sits on the Chotanagpur plateau - remember it was 'born' in Bihar and only became Jharkhand's on paper in 2000."
Link: A useful reminder that several 1973-era reserves are now attributed to states that did not exist in 1973 (Jharkhand, Chhattisgarh, Uttarakhand were all carved out only in 2000).
Ranthambhore - Rajasthan.
Mnemonic Hook: "Ranthambhore Fort looms over the park - Rajasthan's most photographed tiger reserve, once home to the famous tigress Machli."
Link: Compare with Sariska, also in Rajasthan, which lost all its tigers by 2004-05 (Section 1) and had tigers later reintroduced.
Simlipal - Odisha.
Mnemonic Hook: "Simlipal is famous for rare melanistic (black) tigers - and, like Manas, it is also a Biosphere Reserve."
Link: Another entry in the 'Tiger Reserve + Biosphere Reserve' double-tag family.
Sundarbans - West Bengal.
Mnemonic Hook: "Sundarbans stacks FOUR tags at once: Tiger Reserve, Biosphere Reserve, UNESCO World Heritage Site AND Ramsar Wetland - the ultimate multi-identity trap in this whole topic."
Link: If an MCQ option calls Sundarbans 'just' a Tiger Reserve or 'just' a Ramsar site, treat it as a red flag - it is always more than one thing.
4. From 9 to 58: Six Decades of Expansion
1973 to 2005 - slow, steady growth - Reserves grew gradually from the original 9 to around 28 by the mid-2000s, even as the Sariska crisis (2004-05) exposed how poorly protected many of them actually were.
Mnemonic Hook: "More reserves on paper did not yet mean more protection on the ground - that gap is exactly why the NTCA was created."
Link: Directly connects back to Section 1's Task Force story.
2010 - St. Petersburg Declaration ("Tx2") - India joined 12 other tiger-range countries in committing to double the wild tiger population by 2022 - a goal India met early, well ahead of most signatories.
Mnemonic Hook: "Tx2 = Tiger times 2 - double the tigers by 2022."
Link: Feeds into the All India Tiger Estimation exercise below, which tracks progress toward this target.
2018 - World's largest camera-trap wildlife survey - The 4th All India Tiger Estimation cycle was certified by Guinness World Records for camera-trapping the largest number of wild animals ever recorded in a single survey.
Mnemonic Hook: "India didn't just count tigers in 2018 - it set a Guinness World Record while doing it."
Link: The next such cycle (2022) is the one that produced the 3,682-tiger figure below.
2023 - Project Tiger @50 and the "Amrit Kaal Vision @2047" - The Prime Minister marked Project Tiger's 50th anniversary at Mysuru (1 April 2023), releasing the AITE 2022 results (3,682 tigers, up from 1,411 in 2006) and launching the "Amrit Kaal Vision for Tiger Conservation @2047" roadmap.
Mnemonic Hook: "Project Tiger turned 50 exactly where its story began symbolically - at a tiger landscape event in Karnataka, not at Corbett."
Link: The 1,411-to-3,682 tiger trajectory (2006 to 2022) is one of the most frequently quoted numbers in this topic - keep the two years and two numbers paired correctly.
2024-25 - Newest additions push the count to 58 - Guru Ghasidas-Tamor Pingla (Chhattisgarh) and Ratapani (Madhya Pradesh) were added in 2024, followed by Madhav Tiger Reserve (Madhya Pradesh) as India's 58th tiger reserve in 2025.
Mnemonic Hook: "The most recent three reserves all belong to two neighbouring central-Indian states - Chhattisgarh and Madhya Pradesh."
Link: Reinforces why Madhya Pradesh (Section 5) leads the state-wise tally.
5. Record-Holders: The Superlatives Aspirants Mix Up
Largest tiger reserve - Nagarjunsagar-Srisailam Tiger Reserve, spanning Andhra Pradesh and Telangana (established 1983), at roughly 3,728 sq km - by far the largest in India.
Mnemonic Hook: "Largest reserve = largest name on the list, literally - Nagarjunsagar-Srisailam."
Link: Note it is one of the few reserves split across two states, alongside a handful of others like Palamau-adjoining landscapes.
Smallest tiger reserve - Bor Tiger Reserve, Maharashtra, at only about 138 sq km - declared India's smallest in 2014 (then India's 47th reserve overall), with the NTCA relaxing its usual minimum-size norm because Bor forms a vital corridor between two larger reserves.
Mnemonic Hook: "Bor is small in area but big in function - a corridor 'bridge' between two bigger reserves, not a self-contained one."
Link: Many older prep materials still name Orang (Assam) as the smallest - that is now outdated. Treat 'smallest tiger reserve' questions as a live-fact check, not a fixed answer.
State with the most tiger reserves - Madhya Pradesh, often called India's "Tiger State," today has the highest count of any state, having overtaken the historical Maharashtra-MP tie as new reserves were added through 2024-25.
Mnemonic Hook: "MP = 'Most Populous' with tiger reserves, not just with human population."
Link: Directly follows from the 2024-25 additions in Section 4, all clustered around MP and Chhattisgarh.
Highest tiger population and density - Jim Corbett Tiger Reserve, Uttarakhand, holds both the highest tiger count and the highest tiger density of any Indian reserve.
Mnemonic Hook: "Corbett is the 'oldest park, most tigers' reserve - oldest by founding year (1936), fullest by tiger count today."
Link: Do not let 'oldest' and 'largest' blur together - Corbett is neither the largest nor the first tiger reserve (see the Confusion Traps below), only the oldest national park and the most tiger-dense reserve.
Quick Timeline/Flowchart
1972: Wildlife (Protection) Act passed
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1973: Project Tiger launched with 9 reserves (Corbett, Bandipur, Kanha, Manas, Melghat, Palamau, Ranthambhore, Simlipal, Sundarbans)
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2004-05: Tigers found locally extinct in Sariska
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2005: Tiger Task Force constituted
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2006: Wildlife (Protection) Amendment Act creates the NTCA (Section 38L)
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2010: St. Petersburg Declaration - India commits to doubling tigers by 2022 (Tx2)
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2018: 4th All India Tiger Estimation sets a Guinness World Record for the largest camera-trap survey
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2022: AITE records 3,682 tigers nationwide
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2023: Project Tiger @50 marked at Mysuru; Amrit Kaal Vision @2047 launched
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2024-25: Guru Ghasidas-Tamor Pingla, Ratapani and Madhav added, taking the count to 58
Quick Revision List
Project Tiger (1973) is a scheme; NTCA (2006, Section 38L of WLPA 1972) is a statutory authority - never call NTCA the "launcher" of Project Tiger.
Core zone = National Park/Sanctuary-level protection, no human activity; Buffer zone = regulated multi-use area around it.
The original 9 reserves (1973): Bandipur, Corbett, Kanha, Manas, Melghat, Palamau, Ranthambhore, Simlipal, Sundarbans.
India now has 58 tiger reserves (as of 2025-26); the newest is Madhav Tiger Reserve, Madhya Pradesh.
Largest = Nagarjunsagar-Srisailam (AP-Telangana, ~3,728 sq km); smallest = Bor (Maharashtra, ~138 sq km, since 2014).
Madhya Pradesh has the most tiger reserves of any state; Corbett (Uttarakhand) has the highest tiger population and density.
Common Confusion Traps
"Oldest national park" vs "first tiger reserve": Corbett became India's first national park in 1936 (as Hailey National Park) - but it was not declared a tiger reserve alone or first; all 9 original reserves were declared together on 1 April 1973.
Project Tiger vs NTCA: Project Tiger (1973) is an executive/Centrally Sponsored Scheme with no statutory backing of its own; the NTCA (2006) is the statutory body with legal powers. Questions often swap their founding years or imply Project Tiger "created" the NTCA, when it is actually the other way round - the NTCA now administers Project Tiger.
Smallest tiger reserve keeps changing: Older material says Orang (Assam); the current, NTCA-recognised smallest is Bor (Maharashtra, ~138 sq km, since 2014) - always verify against the latest list rather than relying on memorised "always true" superlatives.
Largest ≠ most tigers: Nagarjunsagar-Srisailam is the largest by area, but Corbett has the highest tiger population and density - candidates often assume the biggest reserve also has the most tigers.
Multi-tag reserves: Sundarbans, Manas and Simlipal are each simultaneously a Tiger Reserve AND a Biosphere Reserve (Sundarbans and Manas are additionally UNESCO World Heritage Sites, and Sundarbans is also a Ramsar site). An option that describes them using only one label is usually the "trap" option, not the correct one.
States that didn't exist in 1973: Palamau is credited to Jharkhand today, but Jharkhand was only carved out of Bihar in 2000 - at the time of Project Tiger's launch it was located in undivided Bihar.
💭 Conclusion
Anchor the whole topic to one fact: Project Tiger is a 1973 scheme, the NTCA is its 2006 statutory watchdog, and every reserve since has been built on the same core-buffer legal skeleton - once that sequence is locked in, the record-holders and state-wise details fall into place around it.