Wular lake - is one of the biggest freshwater lakes in Asia and it was formed as a result of tectonic activity. Chilika Lake - in Odisha is the largest saline water lake in India. Vembanad Lake - in Kerala is the longest lake in India. Cholamu Lake - in Sikkim is the highest lake in India. Lonar Lake - is a notified National Geo-heritage Monument, saline, soda lake, located at Lonar in Buldhana district, Maharashtra.