1. Algebra, Trigonometry and Calculus are studies, which originated in India.
2. The world's highest cricket ground is in Chail, Himachal Pradesh. Built in 1893 after leveling a hilltop, this cricket pitch is 2444 meters above sea level.
3. India has the largest number of Post Offices in the world.
4. Until 1896, India was the only source of diamonds in the world.
5. Islam is India's and the world's second largest religion.
6. It is illegal to take Indian currency (rupees) out of India.
7. India leads the world with the most murders (32,719), with Russia taking second at 28,904 murders per year.
8. Many Indian wives will never say her husband’s name aloud, as it is a sign of disrespect. When addressing him, the wife will use several indirect references, such as “ji” or “look here” or “hello,” or even refer to him as the father of her child.
9. The national fruit of India is the mango. The national bird is the peacock, which was initially bred for food.
10. It takes about 20 seconds for a red blood cell to circle the whole body.