Their theory of the creation of the universe, the theory that the earth goes around the sun, they had the earliest and only known modern language, they invented the zero, and made up the word "Algorithm".
Also, there is geometry( Rigveda), Aeronautics ( Vaimanika Soothradhara), Speed of light( from rigveda approx.= 2,98,905 m/s), medicine ( surgery was performed even befor 100 BC by Sushruta, Charaka.), Trigonometry ( Rigveda ), Definition of sleep and the mental condition during sleep (Prashnopanioshad), etc.etc. If we are to speak about Ancient India's achievements, then that would extend very much greater than that of the modern science.
The Prince of Goa
Ancient India is in modern day India.
Ancient India is in modern day India.
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Egypt has the pyramids and the sphinx as engineering achievements.
the achievements were: the pyramids, boats, early geometry, and their hieroglyphics's.
what are some achievements of ancient Rome Augustan Age
Ancient India believed of different gods plus ancient India has many more gods than ancient Egypt. Also the ancient egyptians buried their pharaohs in a tomb and ancient india burned them.
Ancient India got some ideas from ancient China.
roads
buildings
The Wheel and the Plow