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4. Ayurveda is the earliest school of medicine known to humans.
5. Although western media portray modern images of India as poverty striken and underdeveloped through political corruption, India was once the richest empire on earth.

6. The art of navigation was born in the river Sindh 5000 years ago.. The very word "Navigation" is derived from the Sanskrit word NAVGATIH.
7. The value of pi was first calculated by Budhayana, and he explained the concept of what is now k! nown as the Pythagorean Theorem. British scholars have last year (1999) officially published that Budhayan's works dates to the 6 th Century which is long before the European mathematicians.

8. Algebra, trigonometry and calculus came from India . Quadratic equations were by Sridharacharya in the 11 th Century; the largest numbers the Greeks and the Romans used were 106 whereas Indians used numbers as big as 10 53
9. According to the Gemmological Institute of America, up until 1896, India was the only source of diamonds to the world.

10. USA based IEEE has proved what has been a century-old suspicion amongst academics that the pioneer of wireless communication was Pr! ofessor Jagdeesh Bose and not Marconi.
11. The earliest reservoir and dam for irrigation was built in Saurashtra