Which of the following schedules contains special provisions for the administration of tribal areas in the four north-eastern states of Assam, Meghalaya, Tripura and Mizoram?

As per the Sixth Schedule, the four states viz. Assam, Meghalaya, Tripura and Mizoram contain the Tribal Areas which are technically different from the Scheduled Areas. Though these areas fall within the executive authority of the state, provision has been made for the creation of the District Councils and regional councils for the exercise of the certain legislative and judicial powers.