This chapter examines the intertwined concepts of power and authority in medieval India through the lens of Mughal architecture. Throughout history, rulers have used monumental construction to strengthen their legitimacy, anchor their reigns in historical continuity, and express political and cultural dominance. In the Mughal context, especially, architecture served to preserve dynastic identity and enable rulers to assert their authority visibly in the public domian. Beyond kings and emperors, women also engaged in architectural patronage, using construction projects to establish a public presence and influence. The chapter argues that the power of medieval rulers, whether kings or lords, depended mainly on their perceived legitimacy. In other words, it wasn’t just about having power but also having legitimate authority.