Chennai’s fragile Pallikaranai Marshland is once again at the center of a political and environmental storm. PMK leader Anbumani Ramadoss has thrown down the gauntlet, threatening large-scale protests if the Tamil Nadu government does not immediately stop construction of a compound wall and walkway on the ecologically sensitive site.

Key facts

  • PMK leader demands halt to 3-km compound wall and walkway construction
  • Project part of ‘Neithal Restoration and Conservation Work’
  • Marshland has shrunk from 15,000 acres to 1,750 acres
  • Warning issued on September 5, 2026

A Marsh Under Siege

Ramadoss didn’t mince words. He condemned both the current TVK government and the previous DMK administration for pushing ahead with what he calls a destructive project. The marshland, he argues, has already suffered enough—shrunk dramatically over the years from 15,000 acres to a mere 1,750 today. Instead of restoring it, he says, the state is making things worse.

Flooding Fears

The heart of his concern is water. That 6-foot-high retaining wall and the walkway inside it? They’re built in a way that blocks the natural flow of water. When the rains come—and they will—water from across Chennai won’t be able to drain properly into the marsh. The result could be severe waterlogging and flooding, turning neighborhoods into lakes.

“The encroachments on the marshland, which has shrunk from 15,000 acres to just 1,750 acres today, should be removed, and its boundaries should be demarcated and notified officially. Instead, the DMK government began an effort that would further destroy the marshland,” Dr. Anbumani said.

What Comes Next

Ramadoss has laid out two clear demands: remove all existing structures and officially notify the marshland’s boundaries to prevent further encroachment. If the government ignores him, the PMK is ready to take to the streets. For now, all eyes are on the state’s next move—will it listen, or will Chennai face another round of protests and potential environmental crisis?