Railway Science is a best book for Railway group D Examinations because the book contains most important questions of science subjects with the details description of every questions. This app contains all the parts of science subject so students can read the important questions for upcoming Railway Group D Examinations or other one examinations. In this app the users will get Physics, Chemistry and biology questions with multiple choice and detail of every answers. There are many parts of this book available in this app so the users of this app can read without any problem and every time. We hope this app can help users to make their preparations more better and best performance in the upcoming Railway Group D examination or other one day examinations. As the users know that railway recruitment board asks more than 30 questions from science subject so we develop this app with the syllabus of railway group Dand NTPC in keep in mind.