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Official Facebook Page of the Speaker Click Here - http://www.facebook.com/khurshedbatliwala ! Did Ancient Indians had Amazing Scientific Knowledge Already of 1000s of Years ago? Knowledge of science was known from very ancient times, although science, as we know today, was not known in India till modern times. The archaeological remains of the Indus Valley reveal knowledge of applied sciences. Scientific techniques were used in irrigation, Metallurgy, making of fired bricks and pottery, and simple recknowing and measurement of areas and volumes. It contrast more is know about Aryan achievements in the field of astronomy, mathamatcis and medicine. Chinese records indicate knowledge of a dozen books of Indian origin. Brahmagupta's Sidhanta as well as Charaka's and Susrata's Samhitas were translated int Arabic in the 9th or 10th centuries A.D. In ancient Indian mathematics was known by the general name of ganita, which included arthimatcs, geometry, algebra, astronomy and astrology. It was Aryabhata, who gave a new direction to trigonometry. The decimal system too was an innovation of India. By the third century B.C. mathematics, astronomy and medicine began to develop separately. In the fielf of mathematics ancient Indians made three distinct contributions, the notation system, the decimal system and the use of zero. The earliest epigraphic evidence of the use of decimal system belongs to the fifth century A.D. Before these numerals appeared in the West they had been used in India for centuries. They are found in the inscriptions of Ashoka in the third century B.C.