Professor (Rtd) S. Rajavelu is presently working as an Adjunct Professor in the Department of History at Alagappa University, Karaikudi after his retirement from the Department of Maritime History and Marine Archaeology and Faculty Dean of Manuscript logy, Tamil University Thanjavur. Before joining the teaching line, he served in the Epigraphy Branch of the Archaeological Survey of India in the capacity of Epigraphist. Since the inception of the zonal office for Epigraphy in Chennai, Prof. Rajavelu is a well-known scholar in the field of Archaeology, Epigraphy, and Art and Architecture. Based on the findings, this book gives new wisdom about the three magnificent temples of the great Cholas of the nth century CE.

R.Sankaran (Ram Sankar) is a Chartered Accountant and after his retirement from the Board of Boston Harbor LLC., New York, is now associated with a reputed logistic service provider headquartered at Chennai, with pan India presence and an investment and leasing firm at Chennai. He is also a member of the Governing Board and Treasurer of Gram Vikas, Odhisa a reputed NGO working with the tribal communities. He also authored a book titled CHOLANOMICS on the progressive state administration that ushered in a golden age of South India of unprecedented economic expansion political stability and socially inclusive development, with temple as the epic centre of development.