It draws from the whole cultural and technological of India|cartography, metallurgy, logic, mathematics, metrology and mineralogy were among the branches of study pursued by its scholars.
It also does not include not a new idea, indigenous alternatives, low-cost alternatives, technologies or discoveries developed elsewhere and later invented separately in India, nor inventions by Indian emigres or Indian diaspora in other places.
Changes in minor concepts of design or style and artistic innovations do not appear in the lists.
[158] "It is India that gave us the ingenuous method of expressing all numbers by the means of ten symbols, each symbol receiving a value of position, as well as an absolute value; a profound and important idea which appears so simple to us now that we ignore its true merit, but its very simplicity, the great ease which it has lent to all computations, puts our arithmetic in the first rank of useful inventions, and we shall appreciate the grandeur of this achievement when we remember that it escaped the genius of Archimedes and Apollonius, two of the greatest minds produced by antiquity.
"[That army], which relished battle (rasāhavā) contained allies who brought low the bodes and gaits of their various striving enemies (sakāranānārakāsakāyasādadasāyakā), and in it the cries of the best of mounts contended with musical instruments (vāhasāranādavādadavādanā).