Pallikaranai marshland
TN BJP seeks probe into 'illegal clearance' for Rs 2,000-crore project inside Pallikaranai Ramsar site
TN: Rights body claims Rs 2,000cr housing project cleared illegally in Pallikarani Ramsar wetland
TN: Chennai, Tiruvallur, Kanchipuram get Rs 338 crore boost for flood mitigation