This paper analyses the evaluative and interpersonal meaning constructed in the post-election victory speech given by Zohran Mamdani as the New York Mayor with the help of Appraisal Theory (Martin and White, 2003) of the Systemic Functional Linguistics. Appraisal Theory gives an orderly manner in terms of which speakers assess occurrences, heighten or pull down meanings, and place themselves relative to other voices. Using a qualitative discourse-analytical methodology, the paper will examine how the three subsystems of appraisal, which include Attitude, Graduation, and Engagement, have been strategically used to bring about political legitimacy, solidarity, and ideological convergence. Engagement analysis reveals a compromise between monoglossic statements of fundamental democratic values and heteroglossic incorporation of other voices in the society. The paper has shown that the victory speech by Mamdani is not just celebration rhetoric but an ideological performance that negotiates the power, inclusion and leadership in pluralistic democratic setting.