The Shulva Sutras or Śulbasūtras are sutra texts belonging to the Śrauta ritual and containing geometry related to fire-altar construction.
Cover page of a treaty of Śulbasūtra by the Indian mathematician Kātyāyana around the 2nd century BCE.
Sutra in Indian literary traditions refers to an aphorism or a collection of aphorisms in the form of a manual or, more broadly, a condensed manual or text. Sutras are a genre of ancient and medieval Indian texts found in Hinduism, Buddhism and Jainism.
A Sanskrit manuscript page of Lotus Sutra (Buddhism) from South Turkestan in Brahmi script
A manuscript page from Kalpa Sūtra (Jainism)
A 17th-century birch bark manuscript of ancient Panini Sutra, a treatise on grammar, found in Kashmir