The biggest lake in India is Chilka Lake. Chilka Lake is a brackish water lagoon. It is the largest lake of India measuring approximately 1165 sq. kilometers. Chilka lake is thus the largest salt water lake of India. It is also the largest wintering ground for migratory birds on the Indian subcontinent.
Vembanad lake , wayanad, kerala is the biggest lake in India whose surface area is 2033 sq. Km where river chilika has only 1300sq.km