The Rajya Sabha is the upper house of the Parliament of India. The number of seats allotted to each state in the Rajya Sabha is based on the population of that state. Andhra Pradesh, with a large population, is allotted 11 seats in the Rajya Sabha. This information is well-known and part of the Indian Constitution, which allocates the number of seats to states based on their population and representation needs.
Therefore, the correct answer is option (1): 11.
Option (2) 12, Option (3) 10, and Option (4) 9 are incorrect.