Vedangas are additional limbs or chapters in the Vedas. There are six Vedangas. The 6 Vedangas are:
Chhandas – Prosody (science of poetic meters)
Jyothisha – Astronomy and astrology
Kalpa – Construction and design of religious sites
Nirukta- Vedic etymology
Shiksha – phonetics
Vyakarana – Grammar
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