The Bihar Public Service Commission (BPSC) is among the most prestigious state-level exams in India, attracting lakhs of aspirants every year. With the 70th BPSC Prelims (PT) scheduled for 13th September 2025, the competition is tougher than ever. Cracking the Prelims stage requires not only dedication but also smart selection of topics that carry higher weightage in the exam.

If you are targeting BPSC PT 2025, this guide will provide you with subject-wise 20 most important topics, carefully chosen after analyzing previous year question papers, BPSC syllabus, and current exam trends.

By focusing on these areas, you can maximize your score and boost your chances of clearing the Prelims on the first attempt.

🔹 Subject-Wise Breakdown of 20 Important Topics for BPSC PT 2025

1. History – Ancient, Medieval & Modern

History has always been a scoring subject in BPSC. Around 15–20% of the PT questions usually come from this area.
Key Topics:

• Ancient India: Mauryan Empire (Chanakya, Ashoka, Kalinga War), Gupta Empire (Achievements, Nalanda University), Buddhism & Jainism.

• Medieval India: Delhi Sultanate, Mughal Administration, Bhakti & Sufi Movements.

• Modern India: Revolt of 1857, Indian National Congress sessions, Gandhian movements (Champaran Satyagraha, Quit India Movement), Role of Rajendra Prasad & Bihar in Freedom Struggle.

👉 Smart Tip: Give special attention to Bihar’s contribution in the Independence movement as BPSC focuses heavily on state history.

2. Bihar Special GK & Culture

Questions related to Bihar’s history, culture, and geography are compulsory in BPSC exams.
Key Topics:

• Bihar’s Role in Freedom Movement: Champaran Satyagraha, Quit India Movement.

• Famous Personalities: Dr. Rajendra Prasad, Jayaprakash Narayan, Karpoori Thakur.

• Art & Culture: Madhubani Painting, Chhath Puja, Sonepur Mela, Folk Dances.

• Ancient Education Centers: Nalanda, Vikramshila University.

👉 Direct state-related questions are sure to appear—don’t miss them.

3. Geography – India & Bihar

Geography is another high-yield subject. NCERT basics combined with Bihar-specific knowledge are enough.
Key Topics:

• Physical Geography: Himalayas, Rivers of India, Monsoons, Types of Soil, Natural Vegetation.

• World Geography: Continents, Ocean Currents, Important Mountain Ranges.

• Bihar Geography: Rivers (Ganga, Kosi, Gandak, Son), Agriculture, Irrigation Projects, Flood-prone regions, Mineral Resources.

👉 Tip: Revise Bihar’s physical geography, especially river systems and flood-prone areas.

4. Indian Polity & Governance

BPSC often asks direct factual questions from polity.
Key Topics:

• Indian Constitution: Preamble, Fundamental Rights, Directive Principles, Fundamental Duties.

• Important Articles: Article 32, 370, 356, 368, Schedules & Amendments.

• Union & State Legislature: Parliament, Governor, CM, PM, President powers.

• Panchayati Raj System in Bihar (73rd & 74th Amendments).

• Recent Constitutional Amendments (till 2025).

👉 This section is highly scoring—revise bare minimum definitions and functions.

5. Indian Economy & Bihar Economy

Economy-related questions are generally asked in concept + current affairs mix.
Key Topics:

• Indian Economy: Five-Year Plans (history), Economic Survey 2025, Union Budget 2025 highlights, Inflation, GDP trends.

• Banking & Finance: RBI functions, Monetary Policy, Fiscal Deficit.

• Bihar Economy: Agriculture, Handicrafts, Small Industries, Government schemes for Bihar, GSDP growth.

• Current Topics: Digital economy, Start-up India, Green Hydrogen Mission.

6. Science & Technology

BPSC asks basic NCERT science plus current science developments.
Key Topics:

• Physics & Chemistry Basics: Motion, Electricity, Atoms, Acids & Bases.

• Biology: Human Digestive System, Nervous System, Plant Nutrition, Diseases.

• Technology Updates: ISRO missions (Chandrayaan-3, Aditya-L1, Gaganyaan), Artificial Intelligence, Robotics, 5G.

• Environmental Science: Climate Change, Green Energy.

👉 Even non-science background students can score if they revise NCERT 6–10 basics.

7. Environment & Ecology

In the era of climate change, BPSC gives importance to environment.
Key Topics:

• National Parks in Bihar: Valmiki Tiger Reserve, Vikramshila Dolphin Sanctuary.

• Climate Change: COP29 (2024) highlights, Paris Agreement.

• Indian Environmental Acts: Air Pollution Act, Wildlife Protection Act.

• Sustainable Development Goals (SDGs).

8. Current Affairs (National + International)

The most unpredictable yet most important section.
Key Topics:

• Bihar Current Affairs: Government schemes, new appointments, state budget 2025.

• National Affairs: Union Budget 2025, New Bills & Acts, Major Supreme Court Judgments.

• International Affairs: G20 Summit, BRICS expansion, India-China relations, Russia-Ukraine updates.

• Awards & Sports: Bharat Ratna, Padma Awards 2025, Olympic Games 2024 results.

👉 Revise last 6 months’ current affairs thoroughly.

9. General Mental Ability / Reasoning (Basic Level)

While BPSC PT is not reasoning-heavy like UPSC CSAT, simple questions appear.
Key Topics:

• Number Series, Blood Relations, Coding-Decoding, Basic Arithmetic, Calendar & Clock questions.

10. Important Government Programs & Reports

• Jal Jeevan Mission, Ayushman Bharat, PM Gati Shakti, Bihar-specific schemes.

• NITI Aayog reports, SECC data, and Human Development Index (HDI).

📌 Quick Preparation Strategy Before BPSC PT 2025

1. Focus on NCERT books (6th–12th) for History, Geography & Science basics.

2. Cover Bihar GK from a dedicated Bihar special book or monthly magazine.

3. Revise last 6 months’ current affairs from reliable sources.

4. Practice at least 10 mock tests & previous year question papers.

5. Make short notes for last-minute revision (articles, constitutional amendments, key dates).

✅ Final Words

The BPSC PT 2025 exam is just around the corner, and success will depend on how well you prepare in these last days. By covering these 20 subject-wise important topics, you can prepare in a targeted, smart, and exam-oriented manner.

Remember, BPSC doesn’t just test knowledge but also consistency, presence of mind, and clarity in basics. If you revise these topics thoroughly, practice daily, and stay confident, cracking the Prelims will be within your reach.

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