I, Dr. Ashwani Kumar Gupta, Completed my Graduation and LL.B from the University of Allahabad, and after that Completed the LL.M Degree from Dr. BhimRao Ambedkar University, Agra. I also did the Master of Arts in Medieval History from Dr. Ram Manohar Lohia Avadh University, Ayodhya. Completed the Doctorate (Ph.D.) from OPJS University, Churu, Rajasthan. At Present, I am working at the T.R.C. Law College, Satrikh, Barabanki as a Principal. I have experience in the field of legal studies of more than fifteen years. From this experience, I have tried to write this book. I hope readers will like this book.