Correct Answer: (d) Assam, Meghalaya, Tripura & Mizoram
Solution:The Sixth Schedule of Indian Constitution contains provisions related to the Administration of Tribal Areas in the States of Assam, Meghalaya, Tripura and Mizoram. Notably, the 6º schedule's main objective is to save and maintain tribal culture. Notably, Articles 244(2) and 275(1) of the Indian Constitution include the provision of the 6th schedule.