Position of Orissa in India, Administrative Division,1971, Changes in Administrative boundaries, 1961-71, Relief and drainage, Normal monthly and annual rainfall, temperature, Soils, Forests, Distribution of Population, Density of Population, Intercensal changes in Population, Growth of Population, Fertility differentials (child-woman ratio), Sex ratio, changing pattern of Sex ratio, Sex ratio in urban Population, Changing pattern of sSex ratio in urban population, Youthfulness of Population, Changing pattern of youthfulness.