The correct answer is option 1: The President. The Rajya Sabha is the upper house of the Parliament of India, and the President of India has the power to nominate members to this house. The President can nominate 12 members who have special knowledge or practical experience in fields such as literature, science, art, and social service. These nominated members are expected to provide valuable contributions and represent the interests of various sectors of society. It is important to note that the President exercises this power of nomination after consulting with the Prime Minister and the Speaker of the Lok Sabha. This ensures that the nominations are made in a consultative manner and take into account the views of the government and the lower house of Parliament.