Classification of Indian Vedic Scriptures.

1. Four Vedas:
1. Rig Veda
2. Yajur Veda
3. Sama Veda, and
4. Atharva Veda

2. Nine Brahmanas:
1. Aitareya
2. Ashvalayana & Kaushitaki
3. Sankhyayana
4. Shatapatha
5. Panchvinsha
6. Shadvinsha
7. Tandya
8. Jaiminiya, and
9. Gopatha

3. Eleven Key Upanishads:
1. Isha
2. Kena
3. Katha
4. Prashna
5. Mundaka
6. Mandukya
7. Taittiriya
8. Aitareya
9. Chhandogya
10. Brihadaranyaka, and
11. Shvetashvatara

4. Six Vedangas:
1. Shiksha (the principles of proper articulation and pronunciation)
2. Chhanda (Prosody: versification, metrical structure, rhyme, stanza)
3. Vyakarana (Grammer)
4. Nirukta (Vedic words explained etymologically)
5. Jyotisha (Astronomy), and
6. Three Kalpas or Sutras (Ritual prescribed for individual, family and society):

                                                              i.   Shrauta Kalpa or SutraGrihya

                                                             ii.            Kalpa or Sutra, and

                                                          iii.            Dharma Kalp or Sutra

5. Four Upa-Vedas:
1. Gandharvaveda (Music), and
2. Ayurveda (Medicine)
3. Dhanurveda (Military craft)
4. Shilpa or Sthapatyaveda (Knowledge of Mechanics or Architecture )

6. Ten Darshanas or Systems of Philosophy:
1. Veisheshika Darshana
2. Nyaya Darshana
3. Sankhya Darshana
4. Yoga Darshana
5. Poorva-Mimansa Darshana,
6. Five Vedanta Darshanas:

                                                              i.            Vishishtadvaitavada

                                                            ii.            Dvaitavada

                                                          iii.            Dvaitaadvatavada

Bhedabhedavada

                                                          iv.            Shudhadvaitavada

7. Charvak Darshana
8. Jaina Darshana
9. Baudha Darshana
10. Trika or Pratiabhigya Darshana, and
11. Shaakta Darshana

7. Eighteen (18) Maha Puranas:
1. Brahm
2. Padma
3. Vishnu
4. Shiva (or Vayu)
5. Shrimadbhaagvata
6. Narada
7. Markandeya
8. Agni
9. Bhavishya
10. Brhmvaivarta
11. Linga
12. Varaaha
13. Skanda
14. Vamana
15. Koorma
16. Matsya
17. Garurha
18. Brahmaanda

In addition, there are eighteen (18) Upa-Puranas, and eighteen (18) Aup-Puranas which are also called Ati-Puranas as follows:

8. Eighteen (18) Upa- Puranas:
1. Bhaagvat
2. Maaheshvara
3. Brahmaand
4. Aaditya
5. Saura
6. Nandakeshvara
7. Saamba
8. Kaalikaa
9. Varuna
10. Ushanas
11. Maanava
12. Kaapila
13. Durvaasas
14. Shivadharma
15. Vrehannaaradiya
16. Naarasinha
17. Sanatkumaara

9. Eighteen (18) Aup-Puranas or Ati-Puranas:
1. Kaartava
2. Riju
3. Aadi
4. Mudgala
5. Pashupati
6. Ganesha
7. Surya
8. Paramaananda
9. Brehaddharma
10. Mahaabhagavata
11. Devi
12. Kalki
13. Bhargava
14. Vaashishtha
15. Kaurma
16. Garga
17. Chandi
18. Lakshmi

10. Smritis (or Dharma Shastras):
1. Manu Smriti (It consists of 12 Chapters)
2. Yajyavalkya Smriti (It consists of 3 Chapters: Aachaar, Vyavahaar, & Praayashchita)
3. Twenty (20) Other Smritis:

                                                              i.            Atri

                                                            ii.            Vishnu

                                                          iii.            Haareeta

                                                          iv.            Aushanasi

                                                            v.            AAngirasa

                                                          vi.            Yama

                                                        vii.            AApastamba

                                                      viii.            Samvarta

                                                          ix.            Kaatyaayana

                                                            x.            Brihaspati

                                                          xi.            Paaraashara

                                                        xii.            Vyaasa

                                                      xiii.            Shankha

                                                      xiv.            Likhita

                                                        xv.            Daksha

                                                      xvi.            Gautama

                                                    xvii.            Shaataatapa

                                                  xviii.            Vashishtha

                                                      xix.            Bhrigu

                                                        xx.            Naarada