• Parandur Greenfield Airport, proposed in 2022 as Chennai's second airport in Kancheepuram district, was scrapped by the Tamil Nadu government in August 2026 [S1].
• Illustrates recurring UPSC themes: land acquisition conflicts, livelihood displacement, infrastructure vs. agrarian interests, and federal aviation planning (AAI–State coordination).
• Directly testable on Prelims (facts/numbers) and Mains GS-II/III (land acquisition, federalism, development-displacement trade-off).

2. Why in the News

• Tamil Nadu Chief Minister C. Joseph Vijay announced in the State Assembly on August 24, 2026 that the government would drop the Parandur project and seek an alternative site [S1].
• The decision was framed as being taken to "safeguard villages and livelihoods" of farmers opposing land acquisition [S2].
• Simultaneously, the Airports Authority of India (AAI) will build Terminal 5 at the existing Chennai (Meenambakkam) airport instead [S1].

3. Background & Evolution

• The idea of a second Chennai airport dates to 1998, when the Ministry of Civil Aviation first flagged it under consideration (during M. Karunanidhi's tenure) [S1].
• 2022: Tamil Nadu government revived the plan and announced Parandur (Kancheepuram district) as the site for a greenfield airport [S1].
• Project envisaged spanning 13 (later ~17) revenue villages, with total land requirement of nearly 5,700 acres [S2].
• Land acquisition progress: over 1,100 acres acquired, with ₹850 crore paid in compensation before the project's scrapping [S2].
• Persistent farmer protests since 2022 in Walajabad block over loss of agricultural land and livelihoods, despite compensation offered at 3.5 times market value [S2].
• August 24, 2026: Project formally scrapped by the TVK-led Tamil Nadu government [S1][S2].

4. Core Static Facts

Item	Detail
Proposed site	Parandur, Kancheepuram district, Tamil Nadu [S1]
Year proposed	2022 (idea traced to 1998) [S1]
Year scrapped	2026 (announced August 24) [S1]
Total land requirement	~5,700 acres (private + government) [S2]
Land acquired before scrapping	~1,100 acres across 17 villages [S2]
Compensation paid	₹850 crore [S2]
Wasteland (porambokku) component	~1,317 of ~4,000 acres, incl. ~1,000 acres of water bodies [S2]
Alternative measure	Terminal 5 at existing Chennai (Meenambakkam) airport, via elevated corridor, built by AAI [S1]
Current Chennai airport capacity	30 million passengers/year [S1]
Capacity after Terminal 3	35 million passengers/year [S1]
Capacity after Terminal 5	55 million passengers/year [S1]
Implementing agency (Terminal 5)	Airports Authority of India (AAI) [S1]

5. Multi-Dimensional Analysis

Economic

• Loss of a planned ~₹20,000 crore greenfield infrastructure investment; reliance shifts to expanding existing airport capacity instead [S1].
• ₹850 crore compensation already disbursed represents sunk cost with no airport delivered [S2].

Social

• Central conflict was displacement of farming communities; residents saw acquisition as threat to livelihoods, not just land value [S2].
• Community rejected monetary compensation (3.5x market rate) prioritizing livelihood security over cash payouts [S2].

Environmental

• Significant portion of the acquisition area comprised wetlands/water bodies (~1,000 of 4,000 acres), raising ecological concerns tied to Chennai's flood-prone hydrology [S2].
• Agricultural land loss (~3,000+ acres) implicated in food-security and ecological debates around greenfield projects [S2].

Administrative/Governance

• Reflects change in political leadership (TVK government reversing DMK-era decision), showing how infrastructure projects are vulnerable to political transitions [S2].
• Highlights coordination between State government (land acquisition) and AAI/Union Ministry of Civil Aviation (airport construction/expansion) [S1].

Historical

• Second Chennai airport proposal has a 28-year gestation (1998–2026) without completion, illustrating chronic delays in Indian greenfield infrastructure projects [S1].

6. Recent Developments (last 12-18 months)

• August 24, 2026: CM Vijay announces scrapping of Parandur airport project in the Assembly [S1].
• Decision followed sustained protests and non-cooperation from villagers on land acquisition [S2].
• AAI confirmed Terminal 5 construction in the northwestern part of existing Chennai airport as the near-term capacity solution [S1].
• Terminal 3 construction (to handle international flights alongside Terminal 2) is ongoing, raising near-term capacity to 35 million/year [S1].

7. Prelims Hooks

• Second Chennai airport site announced in 2022: Parandur, Kancheepuram district [S1].
• Parandur airport project scrapped in August 2026 by Tamil Nadu CM C. Joseph Vijay [S1].
• Idea of Chennai's second airport originally floated in 1998 by the Ministry of Civil Aviation [S1].
• Total land requirement for Parandur project: ~5,700 acres [S2].
• Land actually acquired before scrapping: ~1,100 acres across 17 villages [S2].
• Compensation disbursed: ₹850 crore [S2].
• Compensation rate offered to farmers: 3.5 times market value [S2].
• Existing Chennai airport (Meenambakkam) current capacity: 30 million passengers/year [S1].
• Post-Terminal 3 capacity: 35 million passengers/year [S1].
• Post-Terminal 5 capacity: 55 million passengers/year [S1].
• Terminal 5 will be built by Airports Authority of India (AAI), accessed via an elevated corridor [S1].
• Location of proposed Terminal 5: northwestern area of the existing airport [S1].
• Protests against Parandur acquisition concentrated in Walajabad block [S2].
• Nearly 1,000 acres of the acquisition area were water bodies (lakes/ponds) [S2].

8. Mains Relevance

• GS-II: Federalism, government policies, issues arising from planning/implementation (State vs Centre coordination on infrastructure; role of AAI).
• GS-III: Infrastructure, land reforms, land acquisition, effects of liberalization on economy, environment and ecology (wetland loss, agrarian displacement).
• Possible question stems: 1. "Discuss the socio-economic and environmental challenges associated with land acquisition for greenfield infrastructure projects in India, with reference to a recent case." (GS-III) 2. "Examine how changes in State political leadership can affect the continuity of long-gestation infrastructure projects in India." (GS-II) 3. "Greenfield airport projects often face the trade-off between economic development and agrarian livelihoods. Discuss with a suitable example." (GS-III)

9. Related Topics to Study Next

• Land Acquisition Act, 2013 (RFCTLARR Act) — governs compensation and rehabilitation framework invoked in such disputes.
• Greenfield Airports Policy, 2008 — Union framework under which State-proposed greenfield airports are approved.
• Airports Authority of India (AAI) Act, 1994 — statutory basis for AAI's role in airport development/expansion.
• Wetland (Conservation and Management) Rules, 2017 — relevant given water-body loss concerns at Parandur.
• Navi Mumbai International Airport — comparable greenfield airport project facing land/environmental hurdles, useful for comparison.
• Land conflicts in India (broader theme) — recurring UPSC theme covering SEZs, industrial corridors, and infrastructure-driven displacement.
• Public-Private Partnership (PPP) model in airport development — relevant to financing structures for greenfield vs. brownfield expansion.

10. Common Errors / Trap Areas

• Don't confuse AAI (Union body, builds Terminal 5) with the Tamil Nadu State government (which proposed and then scrapped Parandur) — different actors, different roles [S1].
• Don't assume Parandur scrapping means Chennai will have no second airport — the government stated it would seek an alternative site, not abandon the goal entirely [S1].
• Do not confuse the 1998 initial proposal with the 2022 Parandur site announcement — these are distinct milestones 24 years apart [S1].
• Avoid mixing up capacity figures: 30 million (current) → 35 million (with Terminal 3) → 55 million (with Terminal 5) — sequence matters for MCQs [S1].
• Note the compensation figure (₹850 crore) was for partial acquisition (~1,100 of 5,700 acres), not the full project [S2].

11. Sources

• [S1] "Why was Parandur airport scrapped?" — The Hindu, https://www.thehindu.com/todays-paper/2026-08-27/th_international/articleG4OGEU33B-16285868.ece — (tier: 4)
• [S2] "Vijay govt scraps predecessor DMK's Parandur airport project to 'safeguard villages, livelihoods'" — ThePrint, https://theprint.in/politics/vijay-govt-scraps-predecessor-dmks-parandur-airport-project-to-safeguard-villages-livelihoods/3023237/ — (tier: 4)