Article Detail Which is Longest Dam in India ? Answer: Hirakod Dam (Orissa) Similar Questions : 1. Which is the Largest lake of the world ? Answer: Caspian Sea (371,000 sq km) 2. Which is the longest River in the World ? Answer: Nile 3. Which is the state largest by area in India ? Answer: Rajasthan 4. Which is the largest desert in India ? Answer: Thar (Rajasthan) 5. Which is biggest planet ? Answer: Jupiter 6. Which is largest Delta of India ? Answer: Sundarban (W. Bengal) 7. Which is the lightest metal ? Answer: Lithium Read more from - Longest and Largest