Article Detail Which is longest river of India Answer: Ganges Similar Questions : 1. Which is the longest rail tunnel in India ? Answer: Pir Panjal (J&k, 11215 metre) 2. Which is the biggest country in Area ? Answer: Russia 3. Which is Largest library in the world ? Answer: United State Library of Congress, Washington D.C. 4. Which is the largest Zoo in India ? Answer: Zoological Gardens, Alipur, Kolkata 5. Which is the longest wall in world ? Answer: Great wall of China 6. Which is smallest state by area of India ? Answer: Goa 7. Which is Highest Battle field ? Answer: Siachin Glacier. Mastguru team Salutes to Indian soldiers. Read more from - Longest and Largest