1. Which is longest river of South India ?

Answer: Godavari

2. Which is smallest state by area of India ?

Answer: Goa

3. Which is largest Dam in World ?

Answer: Three Gorges (China)

4. Which is Longest Dam in India ?

Answer: Hirakod Dam (Orissa)

5. Which is largest Dome in India ?

Answer: Gol Gumbaz (Karnataka)

6. Which is the longest Platform ?

Answer:

Gorakhpur railway station, Uttar Pradesh, India (1355.40 meters)

7. Which is the highest dam in India ?

Answer: Tehri Dam on Bhagirathi River in Uttarakhand (Height of 260 metres)