Among the given options,Pangong Tso is a salt-water lake. It is an endorheic lake located in eastern Ladakh and West Tibet. It is situated at a height of almost 4350m and regarded as world's highest salt-water lake. Kolleru lake is one of the largest freshwater lakes in India located in the state of Andhra Pradesh. Nainital lake is a natural freshwater body which is located in Nainital, Uttarakhand. Loktak lake is the largest natural freshwater lake in India. It is located at Moirang in Manipur State.