Abstract:
This thesis is a product of my immense hard work and ample supervision by my supervisor Dr. Sohail Zafar. I thank Allah Almighty for giving me the strength to endure this period of continuous hard work, and getting done with this thesis successfully. I am very thankful to Dr. Sohail for his constant supervision and careful inspection of every single part of my thesis to make it as perfect as possible. He has been the most approachable and amiable person throughout the course of working on this thesis. I am also thankful to my friend and colleague, Sana Khan who constantly supplied me with all the reading material I needed in the course of working on my thesis. Lastly, I thank my parents for their support, and for giving me the liberty to make my life’s decisions, and devote as much of my time, and effort to get done with this thesis.
