Itihasa in the context of "Hatha yoga"

The Ramayana (/rɑːˈmɑːjənə/; Sanskrit: रामायणम्, romanized: Rāmāyaṇam), also known as the Valmiki Ramayana or Tulsidas Ramayana, as traditionally attributed to Valmiki, is a smriti text (also described as a Sanskrit epic) from ancient India, one of the two important epics of Hinduism known as the Itihasas, the other being the Mahabharata. The epic narrates the life of Rama, the seventh avatar of the Hindu deity Vishnu, who was a prince of Ayodhya in the kingdom of Kosala. The epic follows his fourteen-year exile to the forest urged by his father King Dasharatha, on the request of Rama's stepmother Kaikeyi; his travels across the forests in the Indian subcontinent with his wife Sita and brother Lakshmana; the kidnapping of Sita by Ravana, the king of Lanka, that resulted in bloodbath; and Rama's eventual return to Ayodhya along with Sita to be crowned as a king amidst jubilation and celebration.

Scholarly estimates for the earliest stage of the text range from the 7th–5th to 5th–4th century BCE, and later stages extend up to the 3rd century CE, although the original date of composition is unknown. It is one of the largest ancient epics in world literature and consists of nearly 24,000 shlokas (verses), divided into seven kāṇḍa (chapters). Each shloka is a couplet (two individual lines). The Ramayana belongs to the genre of Itihasa, narratives of past events (purāvṛtta), interspersed with teachings on the goals of human life.

Hindu texts or Hindu scriptures are manuscripts and voluminous historical literature which are related to any of the diverse traditions within Hinduism. Some of the major Hindu texts include the Vedas, the Upanishads, and the Itihasa. Scholars hesitate in defining the term "Hindu scriptures" given the diverse nature of Hinduism, but many list the Agamas as Hindu scriptures, and Dominic Goodall includes Bhagavata Purana and Yajnavalkya Smriti in the list of Hindu scriptures as well.

The Mahābhārata (/məˌhɑːˈbɑːrətə, ˌmɑːhə-/ mə-HAH-BAR-ə-tə, MAH-hə-; Sanskrit: महाभारतम्, IAST: Mahābhāratam, pronounced [mɐɦaːˈbʱaːrɐt̪ɐm]) is a smriti text (also described as a Sanskrit epic) from ancient India, one of the two important epics of Hinduism known as the Itihasas, the other being the Ramayana. It narrates the events and aftermath of the Kurukshetra War, a war of succession between two groups of princely cousins, the Kauravas and the Pāṇḍavas. It contains philosophical and devotional material, such as a discussion of the four "goals of life" or puruṣārtha (12.161). Among the principal works and stories in the Mahābhārata are the Bhagavad Gita, the story of Damayanti, the story of Shakuntala, the story of Pururava and Urvashi, the story of Savitri and Satyavan, the story of Kacha and Devayani, the story of Rishyasringa and an abbreviated version of the Rāmāyaṇa, often considered as works in their own right.

Traditionally, the authorship of the Mahābhārata is attributed to Vyāsa. There have been many attempts to unravel its historical growth and compositional layers. The bulk of the Mahābhārata was probably compiled between the 3rd century BCE and the 3rd century CE, with the oldest preserved parts not much older than around 400 BCE. The text probably reached its final form by the early Gupta period (c. 4th century CE).

Agastya was a revered Indian sage of Hinduism. In the Indian tradition, he is a noted recluse and an influential scholar in diverse languages of the Indian subcontinent. He is regarded in some traditions to be a Chiranjivi. He and his wife Lopamudra are the celebrated authors of hymns 1.165 to 1.191 in the Sanskrit text Rigveda and other Vedic literature.

Agastya is considered to be the father of Siddha medicine. Agastya appears in numerous itihasas and Puranas including the major Ramayana and Mahabharata. He is one of the seven most revered rishis (the Saptarishi) in the Vedic texts, and is revered as one of the Tamil Siddhar in the Shaivism tradition, who invented an early grammar of the Old Tamil language, Agattiyam, playing a pioneering role in the development of Tampraparniyan medicine and spirituality at Saiva centres in proto-era Sri Lanka and South India. He is also revered in the Puranic literature of Shaktism and Vaishnavism. He is one of the Indian sages found in ancient sculpture and reliefs in Hindu temples of South Asia, and Southeast Asia such as in the early medieval era Shaiva temples on Java Indonesia. He is the principal figure and Guru in the ancient Javanese language text Agastyaparva, whose 11th-century version survives.