Surname রাধিকা (Radhika 
, রাধিকা) , throughout the world, is a common last name. The surname রাধিকা is characteristic of Fiji, where it is quite a rare surname, Mauritius, and India. Measured by absolute frequency, it is the most numerous in India, Indonesia, and Sri Lanka. Much more prevalently, রাধিকা is the forename as well as the last name.