Mathematics and Astronomy
- The invention of the theory of zero.
- Aryabhatta was the first Indian astronomer to declare that the earth revolves around its own
- He is also the author of Aryabhattiyam, which deals with arithmetic, geometry and algebra.
- Varahamihira’s Brihat Samhita (sixth century CE) is an encyclopedia of astronomy, physical geography, botany and natural history.
- Brahmagupta is author of important works of mathematics and astronomy namely, Brahma sphuta – siddhanta and Khandakhadyaka.
Medical Sciences
- The Navanitakam was a medical work, which is a manual of recipes, formulation and prescriptions.
- Hastayurveda or the veterinary science authored by Palakapya attests to the advances made in medical science.
- Dhanvantri was a famous scholar in the field of medicine. He was a specialist in Ayurveda.
- Charaka was a medical scientist.
- Susruta was the first Indian to explain the process of surgery.
Decline of the Gupta Empire
- The last recognised king of the Gupta line was Vishnugupta who reigned from 540 to 550 CE.
- Internal fighting and dissensions among the royal family led to its collapse.
- And the Hun invasion weakened the Gupta hold in the country.