- Adi Andhra
- Adi Dravida
- Adi Karnataka
- Ajila
- Arunthathiyar
- Ayyanavar
- Baira
- Bakuda
- 1[***]
- Bathada
- 1[***]
- 2[Bharathar (other than Parathar), Paravan]
- 1[***]
- Chakkiliyan
- Chamar, Muchi
- Chandala
- Cheruman
- Domban
- 1[***]
- 1[***]
- 1[***]
- Gosangi
- Hasla
- Holeya
- Kadaiyan
- 2[Kakkalan, Kakkan]
- Kalladi
- 2[Kanakkan, Padanna, Padannan]
- 3[***]
- 2[Kavara (other than Telugu speaking or Tamil speaking Balija, Kavarai, Gavara, Gavarai, Gavarai Naidu, Balija Naidu, Gajalu Balija or Valai Chetty)]
- Koosa
- Kootan, Koodan
- Kudumban
- 2[Kuravan, Sidhanar, Kuravar, Kurava, Sidhana]
- Maila
- 4[Malayan (in the areas comprising the Kannur, Kasaragode, Kozhikode and Wayanad districts)]
- 4[Mannan, Pahiyan, Perumannan, Peruvannan, Vannan, Velan]
- 3[***]
- 2[Moger (other than Mogeyar)]
- Mundala
- Nalakeyava
- Nalkadaya
- Nayadi
- 1[***]
- Pallan
- 5[Palluvan, Pulluvan]
- Pambada
- Panam
- 1[***]
- 2[Paraiyan, Parayan, Sambavar, Sambavan, Sambava, Paraya, Paraiya, Parayar]
- 1[***]
- 1[***]
- 1[***]
- 2[Pulayan, Cheramar, Pulaya, Pulayar, Cherama, Cheraman, Wayanad Pulayan, Wayanadan Pulayan, Matha, Matha Pulayan]
- 1[***]
- Puthirai Vannan
- Raneyar
- Samagara
- Samban
- 2[Semman, Chemman, Chemmar]
- 5[Thandan (excluding Ezhuvas and Thiyyas who are known as Thandan, in the erstwhile Cochin and Malabar areas) and (Carpenters who are known as Thachan, in the erstwhile Cochin and Travancore State), Thachar (other than carpenter)]
- Thoti
- Vallon
- Valluvan
- 1[***]
- 1[***]
- Vetan
- 2[Vettuvan, Pulaya Vettuvan (in the areas of erstwhile Cochin State only)]
- Nerian
1. Omitted by Act 61 of 2002, s. 2 and the First Sch.
2. Subs by s. 2 and the First Sch. ibid.
3. Omitted by Act 10 of 2003 s. 3 and the First Sch.
4. Subs. by Act 24 of 2016, s. 2
5. Subs. by Act 34 of 2014, s. 2