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VOL. I · EST. 11.2025 
SatyaDheesh
सत्याधीश
India's Ground Truth Record
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Madras High Court adjourns NGT construction ban on Pallikaranai marshland to November 11

GS3Economy · S&T · Environment · Security· Species, protected areas & wetlands· Mains·

Wetland conservation and judicial oversight: a GS3 case study on balancing urban development with ecological preservation.

Why in news

Madras High Court adjourned cases against an NGT construction ban on the Pallikaranai marshland to review a Tamil Nadu State Wetlands Authority report on an interim Zone of Influence.

Background

The Tamil Nadu State Wetlands Authority proposed declaring 36 survey numbers covering 128.19 hectares as an interim Zone of Influence (ZoI). The Pallikaranai marshland in Chennai is a Ramsar site.

Facts for Prelims

  • PlacePallikaranai marshland is a Ramsar site located in Chennai.
  • FactThe Tamil Nadu State Wetlands Authority proposed an interim Zone of Influence covering 128.19 hectares.
  • BodyThe National Green Tribunal (NGT) imposed a construction ban within a one-kilometre radius of the marshland boundaries.
  • FactProposed interim ZoI includes survey numbers 283 and 284(P) in Enjambakkam, 175(P), 177, and 189 in Karappakkam, and 407(P) in Okkiyam Thoraipakkam.

Prelims practice question

Which of the following is the status of the Pallikaranai marshland in Chennai?

  1. (a)Wildlife Sanctuary
  2. (b)Biosphere Reserve
  3. (c)National Park
  4. (d)Ramsar site
Show answer

Answer: (d) Ramsar site — The note specifies that the Pallikaranai marshland in Chennai is a Ramsar site.

For Mains

Q. Discuss the importance of establishing 'Zones of Influence' in the conservation of urban wetlands and the role of judicial oversight in balancing development with ecological preservation.

Dimensions to cover in your answer

  • Regulatory ambiguity: Lack of finalized marshland boundaries complicating the enforcement of construction bans.
  • Ecological buffer zones: Necessity of interim protections to prevent irreversible degradation of Ramsar sites during long-term study periods.

Keywords: Ramsar Site · Zone of Influence · Judicial Review · Wetland Conservation · Urban Ecology

Read the full news →Report a mistake in this noteHow notes are madeSource: The Hindu ↗Also: GS2 · Judiciary & landmark judgments

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