← Guptas, Vakatakas and post-Gupta north IndiaScience, mathematics and medicine in ancient IndiaFind a topicSearchAryabhata (499 CE): sine, pi approximation, earth's rotation; place-value and zeroBrahmagupta varahamihiraPlace-value in inscriptions: Mankani plates (595 CE), Sanskrit inscriptions of South-east Asia (seventh century), general use by the ninth centuryCharaka sushrutaMetallurgy astronomy