The second Vedanga is Kalpa (ritual) which is called the arms of the Veda Purusha. It is especially intended for the proper application of the Vedic texts. The oldest Kalpasutras are those which in their contents are directly connected with the Brahmanas and Aranyakas. It was the ritual (Kalpa), the chief contents of the Brahmanas, which first received systematic treatment in the manuals called the Kalpasutras. They contain the rules in the Sutra style, referring to sacrifices, with the omission of all things which are not immediately connected with the ceremonial. They are more practical than the Brahmanas which for the most part are taken up with mystical, historical, mythological, etymological and theological discussions. They are also considered significant for the study of Vedic culture and society.

There are four types of the Kalpasutras:
(1) Shrauta-sutras, dealing with Shrauta sacrifices
(2) Grihya-sutras, dealing with the domestic ceremonies
(3) Dharma-sutras, dealing with the religious and social laws
(4) Shulba-sutras, dealing with the rules of measurement of the fire-altars etc.

Veda Srautasutra Sulbasutra Grihyasutra Dharmasutra
  1.  Āśvalāyana Śrautasūtra
  2. Sāṅkhāyana Śrautasūtra
  1. Âśvalāyana-Gṛhyasūtra
  2. Kausîtaki-Gṛhyasūtra (Bāṣkala śakha)
  3. Śāṅkhāyana-Gr̥hyasūtra
Vasishtha Dharmasūtra
Śukla Yajurveda Kātyāyana Śrautasūtra Kātyāyana Śulbasûtra
  1. Pāraskara-Gṛhyasūtra
  2. Katyayana-Gṛhyasūtra
Vishnu Dharmasūtra
Kṛsna Yajurveda
  1. Baudhāyana Śrautasūtra
  2. Vādhūla Śrautasūtra
  3. Mānava Śrautasūtra
  4. Bharadvāja Śrautasūtra
  5. Āpastamba Śrautastūra
  6. Hiraṅyakeśi Śrautasūtra
  7. Vārāha Śrautasūtra
  8. Vaikhānasa Śrautasūtra
  1. Baudhāyana Śulbasûtra
  2. Mānava Śulbasûtra
  3. Āpastamba Śulbasûtra
  1. Baudhāyana-Gṛhyasūtra
  2. Hiraṇyakeśi-Gṛhyasūtra(Satyāsādha-Gṛhyasūtra)
  3. Mānava-Gṛhyasūtra
  4. Bhāradvāja-Gṛhyasūtra
  5. Āpastamba-Gṛhyasūtra 
  6. Āgniveśya-Gṛhyasūtra
  7. Vaikhānasa-Gṛhyasūtra
  8. Kāthaka-Gṛhyasūtra(Laugāksi-Gṛhyasūtra)
  9. Vārāha-Gṛhyasūtra
  10. Vādhûla-Gṛhyasūtra
  11. Kapisthala-Katha Gṛhyasūtra
  1. Baudhāyana Dharmasūtra
  2. Āpastamba Dharmasūtra
  1. Lātyāyana Śrautasūtra
  2. Drāhyāyana Śrautasūtra
  3. Jaiminiya Śrautasūtra
  1. Gobhila-Gṛhyasūtra
  2. Khādira-Gṛhyasūtra(Drāhyāyana-Gṛhyasūtra)
  3. Jaiminiya-Gṛhyasūtra
  4. Kauthuma-Gṛhyasūtra
Gautama Dharmasūtra
Atharvaveda Vaitāna Śrautasũtra Kauśika Gṛhyasūtra


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