• Arid/Semi-arid Region Lakes: These lakes are typically formed in regions with high evaporation rates and low rainfall. Water from rivers or groundwater accumulates in depressions, and as water evaporates over time, the dissolved salts become concentrated, leading to the formation of saltwater lakes. Examples include Sambhar Lake (Rajasthan), Lonar Lake (Maharashtra - though debated, often considered saline), and the Rann of Kutch salt pans (Gujarat).