It is my immense pleasure to publish the Port City International Journal, Vol. 9: 2022 within a reasonable time-frame without compromising on the quality of the research work. Honorable Advisory Board, A panel of Reviewer Board and also a supportive Editorial Board were with me throughout the process of publishing this journal.

The entire Board and I strongly encourage all of you to submit high quality authentic and invaluable original research works on contemporary aspects of Economy, Business, Humanities, Social Science, Law, Science and Technology. The publication of these papers is followed by a peer-reviewing process before a decision for final acceptance for publication is taken. This time, a substantial number of articles were reviewed, from which only ten papers have been selected. Among these ten papers, three papers focused on Humanities, three paper related to Business and remaining papers closely associated with Science and Technology.

I extend heartfelt thanks to all authors for their research works publish in this volume I would like to acknowledge my debt of gratitude to all reviewers whose insightful suggestions have shaped up and all the articles. In addition, I would like to express sincere thanks to the Board of Trustees and Registrar of PCIU for their wholehearted support and. Co-operation in order to publishing the journal in due time

Finally, my earnest thanks also goes to Prof. Dr. Nural Anwar, Hon'ble Vice Chancellor, Port City International University, Chattogram and all of the respected members of the Editorial Board, whose support was my inspiration throughout this journey.

Prof. Dr. Md. Abu Taher Ph.D.(CU); Post-Doc(Texas)
Chief Editor
Port City International University Journal
Port City International University, Chittagong