How has the scope of tribal areas changed since 1956, according to the text?
The scope of tribal areas has changed since 1956 in the following way:
- In 1956, tribal areas were specified in Part A or Part B of the First Schedule. However, these words and letters were omitted by the Constitution (Seventh Amendment) Act, 1956, s. 29 and Sch. (w.e.f. 1-11-1956).
- Subsequent amendments have changed the scope of tribal areas within the context of autonomous states created within the State of Assam, as well as including or excluding other states like Meghalaya and Tripura, and the Union territory of Mizoram.