Nazrani Christians and the Social Processes of Kerala, 800-1500.Christian Mercantile Migrants of Quilon and the Socio-economic Significance of Tharisapally Copper Plate.Process of Urbanization and the Network of Angadis.Christians as Spice Producers and Fighting Force in Central Kerala.Social SpacinG.Church Architecture and Population.Eco-Systems and Patron Saints.Food Culture and Dress Culture.Format of Administration .