Article Detail Which is Longest Dam in India ? Answer: Hirakod Dam (Orissa) Similar Questions : 1. Which is Highest Award in India ? Answer: Bharat Ratna 2. Which is Place of heaviest rainfall ? Answer: Mausinram (Meghalaya) 3. Which is the lightest metal ? Answer: Lithium 4. What is the name of tallest Animal ? Answer: Giraffe 5. Which is the biggest museum in the world ? Answer: British Museum, London 6. Which is longest river of India Answer: Ganges 7. Which is smallest state by area of India ? Answer: Goa Read more from - Longest and Largest