The correct answer is A. of six years.
The Rajya Sabha is the upper house of the Parliament of India. It
is composed of 245 members, 12 nominated by the President of India and 233 elected by the elected members of the legislative assemblies of the states and union territories. The members of the Rajya Sabha are elected for a term of six years, and one-third of the members retire every two years.Option B is incorrect because the term of the members of the Rajya Sabha is not determined by the state legislative assembly of a state. The members of the Rajya Sabha are elected by the elected members of the legislative assemblies of the states and union territories.
Option C is incorrect because the term of the members of the Rajya Sabha is not four years. The members of the Rajya Sabha are elected for a term of six years, and one-third of the members retire every two years.
Option D is incorrect because the members of the Rajya Sabha are elected for a term of six years.