'Palar Pani' is -

Correct option is A

​(a) Rain-water

Sol.'Palar Pani' is a term used for rainwater, which is traditionally collected and stored in dry regions of India.

Information Booster:

• 'Palar Pani' is fresh and pure rainwater, commonly stored in wells and tanks.
• Used for drinking and irrigation, especially in Rajasthan and Gujarat.
• Helps in water conservation and sustainability in arid areas.

Additional Information:

• (b) Oceanic water: Contains high salinity and is not drinkable.
• (c) Heavy water: Used in nuclear reactors (D₂O).
• (d) Underground water: Found in aquifers and water tables.