Periyar River / Periyar lake / Thekkady forest / /
Organization
Interpretation Center / Rajiv Gandhi Center for Nature Education and Research / Ministry of Tourism / Tiger Reserve / Forests and Wildlife Department / Tourism Department / Eco-development Committee / World Bank / Information Centre / Group of 20 countries / Ministry of Environment / Department of Tourism / International Ecotourism Society / Government of Kerala / Department of Commerce / Ecotourism Society / Department of Public Relations / University of Calicut / Tribal Trekkers EcoDevelopment Committee / /