This book has been prepared with great care and dedication to support aspirants of the RRB Group D Level-1 Examination 2025. It is the first volume in a planned series of subject-wise study guides, each designed to provide concise yet comprehensive coverage of the syllabus through well-selected questions.
The examination is tentatively scheduled for November 2025, leaving candidates with limited time to complete their preparation. With this in mind, the present volume on General Science has been structured to serve both as a quick study resource and as a revision companion during the crucial last weeks before the examination.
The distinctive features of this book are as follows:
It contains about 1500 carefully chosen questions, offering wide coverage of concepts relevant to the exam.

Previous Year Questions are included and clearly marked with the prefix [PYQ], enabling students to focus on what has already been asked.

[Model] Questions have been framed in the style of PYQs and are highly likely to be asked in the forthcoming examination.

Although the official notification does not provide a detailed General Science syllabus, the author has classified the content into 30 well-organized chapters, based on an extensive analysis of previous year questions, for the convenience of learners.

A thorough grasp of these 1500 questions will provide candidates with a solid foundation and a competitive edge. By practicing and revising with this book, students will be better equipped to attempt the General Science section with confidence.