Sri Chattampi Swamikal wrote Christhumatha Nirupanam,which is a review of christianity.His deep knowledge of the subject of his treatise is evident to every reader. Sree Vidyadhiraja Parama Bhattaraka Chattampi Swamikal (25 August 1853 - 5 May 1924) was a Hindu sage and social reformer. His thoughts and work influenced the launching of many social, religious, literary and political organisations and movements in Kerala and for the first time gave voice to those who were marginalised.