Article 341 Scheduled Castes

(1) The President may with respect to any State or Union territory, and where it is a State after consultation with the Governor thereof, by public notification, specify the castes, races or tribes or parts of or groups within castes, races or tribes which shall for the purposes of this Constitution be deemed to be Scheduled Castes in relation to that State or Union territory, as the case may be

(2) Parliament may by law include in or exclude from the list of Scheduled Castes specified in a notification issued under clause ( 1 ) any caste, race or tribe or part of or group within any caste, race or tribe, but save as aforesaid a notification issued under the said clause shall not be varied by any subsequent notification

Article 366(24) Definition of Scheduled Caste

“Scheduled Castes” means such castes, races or tribes parts of or groups within such castes, races or tribes as are deemed under article 341 to be Scheduled Castes for the purposes of this Constitution

List of SCs and STs

Constitution does not listed who are SCs, STs, BCs and it authorised President.

1st time President notified SC/ST list in consultation with Governor and after that President notifies only with the approval of Parliament [ Law of Parliament required fo President to Notify]- President with the approval of parliament issues Constitutional Order to include in a list
Single list for ST/SC across India for both Centre and State (categorised per state basis)
Multiple lists of OBC each for one state

One list for Centre and each state has one list.
Currently President notifies in consultation with Governor and after that President notifies only with the approval of Parliament

Ex: Constitution (Scheduled Castes) Order, 1950

Procedure for inclusion in or exclusion from the list of Scheduled Tribes

Whenever representations are received in the Ministry of Tribal Affairs for inclusion of any community in the list of Scheduled Tribes of a State/UT, the Ministry forwards that representation to the concerned State Government/U.T.
Administration for recommendation as required under Article 342 of the Constitution.
If the concerned State Government recommends the proposal, then the same is sent to the Registrar General of India (RGI). The RGI, if satisfied with recommendation of the State Government, recommends the proposal to the Central Government.
Thereafter, the Ministry of Tribal Affairs refers the proposal to the National Commission for Scheduled Tribes for their recommendation.
If the National Commission for Scheduled Tribes also recommends the case, the matter is processed for the decision of the Cabinet after consulting the concerned administrative Ministries.
Thereafter the matter is put up before the Parliament in the form of a Bill to amend the Presidential Order.

Dec 2019, three tribes – Parivar Talwara and the Siddi community added to the list of STs in Karnataka

GOI Tribal Affairs -> State/UT -> GOI Tribal Affairs -> RGI -> G OI -> NC ST -> Cabinet -> Parliament ->Presidential Order amendment

Scheduled Castes SC