1. Longest rail tunnel in the world ?

Answer: Seikan Tunnel (Japan - 53.9 Km)

2. Which is the largest epic in world ?

Answer: Mahabharat

3. Which is largest Delta of India ?

Answer: Sundarban (W. Bengal)

4. Which is the shortest day in the year ?

Answer: December 22

5. Which is Largest forest state of India ?

Answer: M.P.

6. Which is the lightest gas ?

Answer: Hydrogen

7. Which is tallest statue in world ?

Answer:

Spring Temple Buddha located in the Zhaocun township of Lushan County, Henan, China