The Rigveda is the oldest of the four Vedas and is a collection of hymns and prayers.

The Vedas are written in Sanskrit, an ancient Indo-Aryan language.

The Upanishads are a collection of philosophical and spiritual texts that are part of the Vedas.

The Brihadaranyaka Upanishad is considered the most important Upanishad and is known for its philosophical insights and spiritual teachings.

The Upanishads primarily explore the nature of reality, the soul, and the relationship between the two.

The Mahabharata is a major religious text in Hinduism that contains stories, legends, and philosophical teachings.

Lord Rama is the central character in the Ramayana, an epic poem that tells the story of his life and adventures.

The Bhagavad Gita primarily focuses on the importance of duty and righteousness, exploring the concept of dharma and the role of an individual in society.

The Panchatantra is a collection of ancient Indian fables and stories that teach moral lessons.

The Panchatantra was originally written in Sanskrit, an ancient Indo-Aryan language.

The Jataka Tales are a collection of Buddhist stories and legends that teach moral lessons.

The Jataka Tales were originally written in Pali, an ancient Indo-Aryan language.

Ayurveda, Charaka Samhita, and Sushruta Samhita are all ancient Indian medical texts that provide guidance on health, disease, and treatment.

The Ayurveda texts were originally written in Sanskrit, an ancient Indo-Aryan language.

Aryabhata, Bhaskara II, and Brahmagupta are all considered important ancient Indian astronomers and mathematicians.