This paper is the cumulative result of our research, analysis and conclusive study. This is to certify that the material embodied in this present project is based on our original research work. Our indebtedness to other works, studies and publications have been duly acknowledge at the relevant places. The authors of this paper are Aarushi Jindal, Rachita Tripathi, Saumya Jain and Srishti Kalra, under the guidance of Ms. Riyanka Jain. We sincerely acknowledge the contribution, encouragement, and support offered by her at every stage as our guide.