Within the field of Bio-informatics, our findings traced out that, researchers usually extract the demographic information by authentication using Biometrics of certain for verification and validation purpose only. In the field of medical sciences, demographics contains specific data related to individual genetics for future evaluation of specific gender such as prefer no to say, unisex or transgender, moreover this fields are utilizing technologies to extract information for evaluation of biogenesis(case study of skeleton system), biosynthesis(genetics within hair) and so synthesis(for genetic progress within retina of individuals).