If you’re gearing up for the BPSC AE (Assistant Engineer) Exam 2025, understanding the exam pattern is your first step to success. The Bihar Public Service Commission (BPSC) conducts this exam to recruit engineers for various government departments. With competition getting tougher, knowing the subject-wise breakdown, marking scheme, and preparation strategy can make all the difference. In this guide, we’ll break down the BPSC AE exam pattern 2025, share expert tips, and real-life success stories to help you ace the test.
If you clear Prelims, the Mains is where you prove your technical expertise.
Paper
Subject
Marks
Duration
Paper I
Civil/Mechanical/Electrical Engineering
300
3 Hours
Paper II
General Hindi & Essay
100
3 Hours
Paper III
General Engineering (Common for all streams)
200
3 Hours
🔹 Pro Tip:
Paper II (Hindi & Essay) is qualifying (minimum 30% needed).
Paper I & III decide your rank—so deep subject knowledge is crucial.
Subject-Wise Weightage & Important Topics 📚
Civil Engineering (Most Popular Choice)
Topic
Weightage
Structural Engineering
25-30%
Geotechnical Engineering
20%
Fluid Mechanics
15%
Environmental Engineering
10%
🔹 Expert Insight: “Many students ignore Surveying & Estimation, but BPSC often includes 5-6 questions from these topics.” — Rahul Kumar, BPSC AE 2023 Topper
Mechanical Engineering
Topic
Weightage
Thermodynamics
25%
Machine Design
20%
Fluid Mechanics
15%
IC Engines
10%
🔹 Real-Life Example: Priya Singh, who cracked BPSC AE in 2024, says: “I focused on previous year papers—BPSC repeats concepts, especially in Heat Transfer & Refrigeration.”
Electrical Engineering
Topic
Weightage
Power Systems
30%
Electrical Machines
25%
Control Systems
15%
Measurements & Instrumentation
10%
🔹 Research-Backed Data: A study of last 5 years’ papers shows Transmission & Distribution alone covers 12-15 questions.
How to Prepare for BPSC AE 2025? 🎯
1. Follow the Right Books
Subject
Recommended Books
Civil Engineering
“Civil Engineering: Conventional & Objective” by R.S. Khurmi
Mechanical Engineering
“Mechanical Engineering for Competitions” by R.K. Jain
Electrical Engineering
“Electrical Engineering Objective” by P.K. Mishra
2. Solve Previous Year Papers
2020-2024 papers are gold—BPSC repeats 15-20% questions.
Analyze trending topics (e.g., Renewable Energy in Electrical Engg.).
🔹 Pro Tip:“Spend Sundays on mock tests—it builds exam temperament.” — Amit Verma, BPSC Mentor
Common Mistakes to Avoid ❌
Mistake
Better Approach
Ignoring General Studies
Spend 30 mins daily on Bihar GK & Current Affairs
Overlooking Hindi Paper
Practice essay writing (BPSC often sets state-specific topics)
No Revision Plan
Weekly revisions prevent last-minute panic
🔹 Fun Fact: In 2023, 22% of candidates failed just because they underestimated the Hindi paper!
Final Thoughts
The BPSC AE 2025 exam is all about smart preparation. Focus on high-weightage topics, practice previous papers, and don’t neglect General Studies & Hindi. With the right strategy, you’ll crack it! 🏆
Nisha Joshi is an education content writer specializing in exam results and admit cards. With a Master’s in History and 5+ years of experience, Nisha loves crafting detailed and accurate content. She enjoys exploring historical sites.
