The schedule that provides for the administration of tribal areas in the four north-eastern States of Assam, Meghalaya, Tripura, and Mizoram through autonomous district and regional councils.
The four named States, the autonomous councils, and the Fifth-versus-Sixth Schedule distinction are common in polity and in the north-east internal-security context.
Sixth Schedule (four north-eastern States, autonomous district councils) versus Fifth Schedule (Scheduled Areas in other States, Tribes Advisory Council); the Sixth Schedule applies only to Assam, Meghalaya, Tripura, and Mizoram.
Sixth Schedule: tribal autonomy via district and regional councils in Assam, Meghalaya, Tripura, and Mizoram (Articles 244(2), 275(1)).