4 Vedas

1. RigVeda
2. SamVeda
3. YajurVeda
4. AtharvaVeda

4 UpaVedas (abodes of knowledge)

1. ArthaShastra: Ancient treatise on statecraft, economic policy and military strategy.
2. Dhanurveda: Science of archery
3. GandharvaVeda: Treatise on performing arts, encompassing theatre, dance and music.
4. Ayurveda: The word ayurveda consists of the words ayus, meaning “longevity”, and veda, meaning “related to knowledge” or “science”. Thus Ayurveda is the science of life.

6 Vedangas

1. Shiksha: science of phonetics and phonology of Sanskrit, its aim is the teaching of correct pronunciation of the Vedic hymns and mantras.
2. Kalpa: art of rituals
3. Vyakaran: Sanskrit grammatical tradition of vyakarana.
4. Nirukta: art of etymology, particularly of obscure words. It consists of brief rules (sutras) for deriving word meanings, supplemented with glossaries of difficult or rare Vedic words.
5. Chhanda: study of Vedic meter in Classical Sanskrit poetry.
6. Jyotish: system of astrology, traditionally consisting of three branches:
   1.  Siddhanta: traditional Indian astronomy
   2a.  Samhita
   2b.  Medini Jyotisha:  prediction of important events based on analysis of astrological dynamics in a country’s horoscope of general transit events such as war, earthquakes, political events, financial positions, elections etc; Vastu Shastra related matters, animals, portents, omens etc.
   3.  Hora: predictive astrology based on analysis of natal horoscope and the moment a query is made.