Mahalanobis Distance and Longitudinal Growth.- Optimum Designs for Pharmaceutical Experiments with Relational Constraints on the Mixing Components.- Evidence from Granger Causality and Co-integration Tests.- Growth Curve of Socio-economic Development in North Eastern Tribes.- Growth and Nutritional Status of Pre-school Children in India.- Bootstrap of Deviation Probabilities with Applications.- Mathematical Aptitude and Family Income in North Eastern Tribes.