 By the time, the Kerala University had taken over the magazine Aiyangar had already established the journal as one of the premium history magazines in the world.Krishnaswamy Aiyangar was succeeded by K. A. Nilakanta Sastri to the chair of the Department of Indian History and Archaeology in 1929.Krishnaswamy Aiyangar assisted Robert Sewell in his analyses of the epigraphy and archaeology of South India.