Which one of the following schedules of the Indian Constitution lists the names of states and specifies their territories?

The First Schedule of the Constitution expressly lists the names of the States and specifies their territorial jurisdiction; it also records the names of the Union Territories and their extent. The book excerpt summarises this function of the First Schedule and contrasts it with the Second Schedule (which deals with emoluments and allowances of constitutional office-holders) [1]. Constitutional text and commentary further make clear that Article 1(2) (and related provisions) tie the definition of States and their territories to the First Schedule, and Parliament may amend the Schedule by law when reorganising territory [2]. Hence, the First Schedule is the correct answer.

Sources

1. [1] Laxmikanth, M. Indian Polity. 7th ed., McGraw Hill. > Chapter 4: Salient Features of the Constitution > Table 4.3 Schedules of the Constitution at a Glance > p. 39
2. [2] https://www.indiacode.nic.in/bitstream/123456789/19150/1/constitution_of_india.pdf