Cracking BCS Preliminary in just 3 months (90 days) is challenging but absolutely possible with the right strategy and disciplined execution.
This guide provides a complete, practical, and result-oriented plan including full daily time table, phase-wise roadmap, high-yield resources, and smart techniques. If you follow this plan sincerely, you can achieve 130–150+ marks and clear the prelims comfortably.
BCS Preliminary Marks Distribution (200 Marks)
| Subject | Marks |
|---|---|
| Bangla Language & Literature | 30 |
| English Language & Literature | 30 |
| Bangladesh Affairs | 25 |
| International Affairs | 25 |
| Mathematical Reasoning | 20 |
| Mental Ability | 15 |
| General Science | 15 |
| Computer & ICT | 15 |
| Ethics, Values & Good Governance | 15 |
| Geography, Environment & Disaster Management | 10 |
Total: 200 Marks (2 Hours) Safe Target Score: 130–145+ (with negative marking 0.50)
Recommended Books & Resources
- Bangla: Priseptors / Abhijatri + Humayun Azad Grammar
- English: Masters / Miracle + Confidence Literature
- Bangladesh & International Affairs: Oracle / Professor’s / MP3 + Current Affairs File
- Math & Mental Ability: Khairul’s Basic Math + Advanced Practice
- General Science: George / Oracle
- Computer: Computer Hour / Job Pocket
- Ethics + Geography: Job Solution Series
- Question Bank: 35th–50th BCS Solved Questions + Model Tests
Digital Resources: BCS Guideline, Uttoron, Aspirant (YouTube), Prothom Alo & Daily Star (daily), Anki App for revision.
Full Daily Time Table (8–9 Hours)
| Time Slot | Subject / Activity | Duration |
|---|---|---|
| 5:30 – 6:00 AM | Wake up + Freshen up + Light Revision | 30 min |
| 6:00 – 8:00 AM | Mathematical Reasoning + Mental Ability | 2 Hours |
| 8:30 – 10:30 AM | Bangla / English (Alternate days) | 2 Hours |
| 11:00 – 12:00 PM | Bangladesh Affairs + Current Affairs | 1 Hour |
| 1:30 – 2:30 PM | General Science / Computer / Geography | 1 Hour |
| 4:00 – 5:00 PM | Ethics, Values & Weak Topics | 1 Hour |
| 7:30 – 8:30 PM | Previous Year Questions / Mock Practice | 1 Hour |
| 9:00 – 9:30 PM | Revision + Error Analysis + Note Update | 30 min |
Total Study Time: 8–9 Hours Sleep: Minimum 7 hours (10:30 PM – 5:30 AM) Friday Special: Full Mock Test (2 hours) + Detailed Analysis
90 Days Phase-wise Strategy
Phase 1: Day 1–30 (Foundation Building)
- Focus on clearing basic concepts of all subjects
- Math & Mental Ability: Arithmetic, Percentage, Ratio, Series, Analogy
- Bangla & English: Grammar rules + 500 new vocabulary
- GK: Bangladesh History, Liberation War, Constitution + International Organizations
- Daily MCQ: 700–800
- Goal: Cover 60% of the syllabus basics
Phase 2: Day 31–60 (Intensive Practice)
- Solve previous 15 years’ BCS questions daily
- Give 3–4 full mock tests per week
- Focus heavily on weak areas
- Build Current Affairs file (last 2 years)
- Create short notes and error notebook
Phase 3: Day 61–90 (Revision & Peak Mode)
- Take 2 full mock tests daily
- Revise entire syllabus 2–3 times
- Last 15 days: Only revision + high-yield topics
- Focus on speed, accuracy, and negative marking avoidance
- Target: Consistent 130+ in mock tests
Pro Tips to Crack BCS in 3 Months
- Quality over Quantity — 8–9 hours of focused study is better than 12 hours of distraction.
- Active Recall — Test yourself instead of passive reading.
- Error Analysis — Spend time daily reviewing mistakes.
- Negative Marking Strategy — Skip questions you are less than 70% sure about.
- Current Affairs — Dedicate 45–60 minutes daily.
- Health — Exercise, healthy food, and proper sleep are non-negotiable.
- Weekly Review — Every Friday evaluate your progress and adjust the plan.
Conclusion
Cracking BCS Preliminary in 3 months is a realistic goal if you follow this Full Time Table & Strategy with full dedication. Consistency and smart work will take you to the Cadre post you dream of.
Start Today. No more excuses. 90 days from now, you will thank yourself.
Best of Luck! You Can Do It! 💪
