How is the country’s wetlands grouped? Mention any five.

The country’s wetlands have been grouped into eight categories, viz.
(i) the reservoirs of the Deccan Plateau in the south together with the lagoons and other wetlands of the southern west coast;
(ii) the vast saline expanses of Rajasthan, Gujarat and the Gulf of Kachchh;
(iii) freshwater lakes and reservoirs from Gujarat eastwards through Rajasthan (Keoladeo National Park) and Madhya Pradesh;
(iv) the delta wetlands and lagoons of India’s east coast (Chilika Lake);
(v) the freshwater marshes of the Gangetic Plain.