Rajya Sabha is a permanent body and is not subject to dissolution. However, one-third of its members retire every two years.
Option A: Dissolved once in two years
Incorrect. It is not dissolved; it is a continuing chamber.
Option B: Dissolved after every five years
Incorrect. This is true for the Lok Sabha, not Rajya Sabha.
Option C: Adjourned every six months
Incorrect. Sessions may occur every six months, but this doesn’t define its structure.
Option D: Not subject to dissolution
Correct. Rajya Sabha is a permanent body with staggered retirement of members.