1. Which is longest river of South India ?

Answer: Godavari

2. Which is highest dam in world ?

Answer:

Jinping-I Dam - 305 m (1,001 ft) in China on Yalong river.
Second Highest is Nurek Dam 300 m (980 ft) Tajikistan on Vakhsh river.

3. Which is biggest planet ?

Answer: Jupiter

4. Which is Longest road tunnel in the World ?

Answer: Lærdal Tunnel (Norway - 24.51 kilometre)

5. What is the name of tallest Animal ?

Answer: Giraffe

6. Which is Highest Battle field ?

Answer: Siachin Glacier. Mastguru team Salutes to Indian soldiers.

7. Which is Biggest ocean in the world ?

Answer: Pacific ocean