The Charaka Samhita is an ancient Indian medical text attributed to Charaka, a physician who lived during the 1st century CE. It is considered one of the foundational texts of Ayurveda, the traditional Indian system of medicine.

Susruta is known as the 'Father of Indian Surgery'. He was an ancient Indian surgeon who lived during the 6th century BCE. His work, the Susruta Samhita, is considered one of the most important texts on surgery in the world.

Aryabhata, an ancient Indian astronomer who lived during the 5th century CE, proposed the heliocentric model of the solar system, which places the Sun at the center of the solar system.

Vastu Shastra is an ancient Indian treatise on architecture. It provides guidelines for the design and construction of buildings, towns, and cities in accordance with traditional Indian beliefs and principles.

Brahmagupta, an ancient Indian mathematician who lived during the 7th century CE, developed the concept of zero and introduced it into the Indian number system.

The Agni Purana is an ancient Indian treatise on metallurgy. It contains information on the extraction and purification of metals, as well as the production of alloys and various metalworking techniques.

Varahamihira, an ancient Indian astronomer who lived during the 6th century CE, developed the concept of the precession of the equinoxes, which is the gradual shift in the position of the equinoxes over time.

The Surya Siddhanta is an ancient Indian treatise on astronomy. It contains information on the motions of the Sun, Moon, and planets, as well as eclipses and other astronomical phenomena.

Bhaskara II, an ancient Indian mathematician who lived during the 12th century CE, developed the Fibonacci sequence, a series of numbers in which each number is the sum of the two preceding ones.

The Sukraniti is an ancient Indian treatise on irrigation. It contains information on the construction and maintenance of irrigation systems, as well as the management of water resources.

Aryabhata, an ancient Indian astronomer who lived during the 5th century CE, developed the concept of the Earth's rotation on its axis, which is the daily rotation of the Earth on its own axis.

The Yukti Kalpataru is an ancient Indian treatise on shipbuilding. It contains information on the design and construction of ships, as well as the materials and techniques used in shipbuilding.

Brahmagupta, an ancient Indian mathematician who lived during the 7th century CE, developed the concept of negative numbers and introduced them into the Indian number system.

The Agni Purana is an ancient Indian treatise on mining and metallurgy. It contains information on the extraction and purification of metals, as well as the production of alloys and various metalworking techniques.

Aryabhata, an ancient Indian astronomer who lived during the 5th century CE, developed the concept of the Earth's revolution around the Sun, which is the annual revolution of the Earth around the Sun.