This book presents a collection of invited articles by distinguished probabilists and statisticians on the occasion of the Platinum Jubilee Celebrations of the Indian Statistical Institute -- a notable institute with significant achievement in research areas of statistics probability and mathematics -- in 2007.With a wide coverage of topics in probability and statistics the articles provide a current perspective of different areas of research emphasizing the major challenging issues. The book also proves its reference and utility value for practitioners as the articles in Statistics contain applications of the methodology that will be of use to practitioners. To professional statisticians and mathematicians this is a unique volume for its illuminating perspectives on several important aspects of probability and statistics.