International Advisors Prof. John N-Hutchinson Emeritus Professor of Engg. Geomorphology Imperial College of Science, Tech & Medicine London SW7 2BU, England Prof.Robin Chaudhury Co-ordinator Geo-Environment-Mine Engg. Research Centre University of Wollongong New South Wales 2522, Australia National Advisors Prof. V.K.Gaur Distinguished Scientist Indian Institute of Astrophysics Bangalore-560 034. Dr.V.C.Thakur Emeritus Scientist Wadia Institute of Himalayan Geology Dehra Dun-248 001 Dr.T.V.S Appa Rao Emeritus Scientist Structural Engineering Research Centre Chennai-600 113.