321 KEYWORDS ISSN: 0974 - 0376 N Save Nature to Survive : Special issue, Vol. III: www.theecoscan.in AN INTERNATIONAL QUARTERLY JOURNAL OF ENVIRONMENTAL SCIENCES Prof. P. C. Mishra Felicitation Volume Paper presented in National Seminar on Ecology, Environment & Development 25 - 27 January, 2013 organised by Deptt. of Environmental Sciences, Sambalpur University, Sambalpur Guest Editors: S. K. Sahu, S. K. Pattanayak and M. R. Mahananda Kumar Manoj et al. Cluster analysis Permeability index Principal component analysis Sodium absorption ratio Water quality index 321 - 330; 2013 SPATIAL ASSESSMENT AND CHARACTERISATION OF THE SUBARNAREKHA RIVER WATER THROUGH INDEX ANALYSES APPROACHES AND CHEMOMETRICS