Seventh International Triennial Calcutta Symposium on Probability and Statistics aims to bring together researchers engaged in theoretical, methodological, and applied aspects of Statistics and Probability on a common platform to exchange ideas and facilitate discussions. The symposium will be jointly organized by the Calcutta Statistical Association and the Department of Statistics, Calcutta University at the Department of Statistics, Calcutta University, Kolkata. The symposium has been assembled a huge number of eminent researchers from all over the world since 1991. The symposium will feature invited and contributory sessions on theoretical and applied statistics and probability. A special session on Design of Experiments and Related Combinatorial Aspects will be organized in the memory of Late Prof. Raj Chandra Bose. The symposium invites papers in all areas of Probability, Theoretical & Applied Statistics.