Topper’s Series: BPSC Mains Exam – Science & Technology (Paper 3) is designed to help aspirants prepare systematically for the Science and Technology component of the Bihar Public Service Commission (BPSC) Mains examination. It provides focused coverage of scientific developments, emerging technologies, and their applications in governance, national development, and Bihar’s progress.

The book explores India’s space programme and satellite technology, defence systems and modernization, digital technology, communication networks, cybersecurity, and computing. It also addresses energy security, renewable power options, climate change, global warming, pollution control, urban cleanliness, and environmental protection, with particular attention to Bihar.

Dedicated chapters cover emerging fields such as nanotechnology, biotechnology, healthcare innovations, modern agricultural technology, and water-resource management. The book also examines science and technology in the energy sector and Bihar-specific scientific and technological developments.

With important diagrams, flowcharts, and previous-year question papers, this book aims to strengthen conceptual understanding, encourage analytical thinking, and help candidates prepare structured, relevant, and examination-oriented answers for the BPSC Mains examination.

Table of Contents:

1. Important Diagram & Flowchart for Mains Exam

2. Previous Year Question Paper

Chapter 1: Space, Satellites, Defense, and Digital Technology

✍ The Space Program and Satellites

Chapter 2: Space, Satellites, Defense, and Digital Technology

✍ Defense Systems, Modernization, and Automation

Chapter 3: Space, Satellites, Defense, and Digital Technology

✍ Communication Networks, Cyber Security, and Computing

Chapter 4: Energy, Environment, Biotech, and Agri-Tech

✍ Power Options and Energy Security

Chapter 5: Environment, Climate Shift, and Pollution Control

✍ Climate Change Basics: Global Warming Mechanics

✍ I. Cleaning Our Cities

✍ II. Environment Protection in Bihar (State Focus)

Chapter 6: Emerging Technologies: Nano, Bio, and Agri-Tech

✍ I. Nanotechnology

✍ II. Biotechnology and Health

✍ III. Modern Agricultural Tech

✍ IV. Biotech and Agri-Tech in Bihar

Chapter 7: Role of Science and Technology in Water Resources Management

Chapter 8: Science and Technology in Energy Sector

Chapter 9: Science and Technology and Its Critical Opposite Phase

Chapter 10: Science and Technology

Chapter 11: Science and Technology in Bihar