Which of the following is NOT a feature of federalism in India?

In his book 'The Indian Constitution: Cornerstone of a Nation', Granville Austin describes the Indian Constitution as a seamless web composed of three interconnected strands. Consider the following statements: (i) The essential element of the framers' foresight was their concept of the seamless web, integrating the nation's three grand goals into the institutional processes. (ii) According to the author, these grand goals are completely interdependent and cannot be successfully pursued via mutually exclusive methods. (iii) Social revolution and democracy were to be the most closely knit strands of this seamless web. Which of the statements given above are correct?

Under normal circumstances, who has the primary authority to legislate on subjects mentioned in the State List under the Seventh Schedule of the Indian Constitution?