In this book, the author has tried to provide a synthesis of Science, Philosophy and Religion with the help of the teachings of Quran and Hadith. He has made a distinction between Deen (Religion) and Shariah and showed that Deen Is within man and so it does not change, because every human being is born on this nature (fitrat). But Shariah (Social political, economic and commercial laws, and not modes of worship) may change with the change of time and clime so ...