What is "rajadhiraja"

n. ''(often capitalized: '''Rajadhiraja''')'' A royal ruler's title on the Indian subcontinent, roughly meaning king of kings, a prestigious indication of the princely state's fairly high rank.

RajadhiRaja (English: The King of Kings) is a 2014 Malayalam film, directed by Ajai Vasudev and written by the duo of Udayakrishna-Siby K. Thomas. The film stars Mammootty and Raai Laxmi in lead and Joy Mathew, Siddique, Mukesh Khanna, Jojo and Lena in supporting roles. The film released on 5 September 2014. The film was a commercial success.