It is the largest wintering ground for migratory birds on the Indian sub-continent. The lake is home to a number of threatened species of plants and animals.Chilika lake is a brackish water lagoon, spread over the Puri, Khurda and Ganjam districts of Odisha state on the east coast of India,The lake is an ecosystem with large fishery resources. It sustains more than 150,000 fisher–folk living in 132 villages on the shore and islands.The lagoon hosts over 160 species of birds in the peak migratory season. Birds from as far as the Caspian Sea, Lake Baikal, Aral Sea and other remote parts of Russia, Kirghiz steppes of Mongolia, Central and southeast Asia, Ladakh and Himalayas come here. These birds travel great distances; migratorThe highly productive chilika lagoon eco-system with its rich fishery resources sustains the livelihood for many fisher men who live in and near the Lagoon. The water spread area of the Lagoon ranges between 1165 and 906 km2 during the monsoon and summer respectively. A 32 km long, narrow, outer chaMicroalgae, marine seaweeds, sea grasses, fishes and crabs also flourish in the brackish water of the Chilika Lagoon. Especially the recovery of sea grass beds in recent years is a welcoming trend which may eventually result in re-colorizations of endangered dugongs. Day 1