Across
- 3. Which planet is called blue planet?
- 6. which animal is known as the 'ship of the desert'?
- 7. who invented the light bulb?
- 8. who invented the telephone?
- 9. Which is the national bird of India?
- 10. what is the national song of India?
Down
- 1. how many continents in the world?
- 2. who was the first woman president of India?
- 4. which is the national sport of India?
- 5. who is our first prime minister of India?