I would like to acknowledge here the efforts of everyone who has been a part of this research process. In the project, various online journals, books, databases and research articles were utilized to produce a well-researched material. I would like thank them all who were behind the creation of such material. I hope they will keep spreading good and will perform well in the future also. It is always a good idea to thank those who were behind your success because it keeps you feel good. We cannot forget the fact that it is always a team work behind whatever we have achieved in our life. So, it is always a good idea to acknowledge the contributions of the people in your life. The thesis has been accomplished with the assistance and kind guidance of worthy instructor who has played an integral part in the compilation of this research. I consider myself fortunate to be under the mentorship of my instructor because it has been a great source of help for me. I have been able to learn a lot under the guidance of my instructor. I will remember this experience as a huge learning recollection for me. I also acknowledge the prayers of my family and dear friends who were there for me at the time I need their constant support. So, I thank all of those who have been a great help during my research and hope that they will keep supporting me till the end.