The Combined Defence Services (CDS) Examination, conducted by UPSC, is one of the most competitive exams in India. With CDS I 2026 scheduled in April 2026, aspirants now have around 100 days left for preparation. These final days can make or break your chances of success. A well-planned last 100 days preparation strategy can maximize your performance in English, General Knowledge, and Mathematics, while also keeping you focused on revision and practice.
In this article, we’ll cover a 100-day study plan, subject-wise strategy, time management tips, and revision techniques. Plus, we’ll share how Victor Growth can help you boost your preparation in this crucial period.
Why the Last 100 Days are Crucial for CDS I 2026?
Builds exam temperament through regular practice and mock tests.
Helps you revise and consolidate already studied topics.
Focuses on time-bound preparation instead of scattered studying.
Allows you to fine-tune your strengths and minimize weaknesses.
100-Day Preparation Plan for CDS I 2026
We can divide these 100 days into three phases for systematic preparation.
Phase 1: (Days 1–40) – Strengthening Basics & Coverage
Revise NCERTs for GK and Maths.
Focus on core subjects – Polity, History, Geography, Science basics.
Daily English grammar + vocabulary practice.
Start solving previous year CDS question papers (at least 1 paper every 3 days).
Phase 2: (Days 41–70) – Practice & Speed Building
Switch to mock tests every alternate day.
Revise formulas, theorems, and shortcuts in Mathematics.
Revise Lucent GK + Current Affairs daily.
Focus on essay-type comprehension, spotting errors, and sentence improvement for English.
Keep a notebook for mistakes and revise them weekly.
Phase 3: (Days 71–100) – Revision & Exam Simulation
Attempt full-length mock tests under real exam conditions.
Daily revision of one major GK topic + Maths formula set + English vocab list.
Focus more on accuracy and time management than learning new topics.
Solve 10+ CDS previous year papers within this phase.
Keep your health and fitness in check for the upcoming SSB Interview as well.
Subject-Wise Last 100 Days Strategy
📘 English
Daily 30 minutes of newspaper reading (The Hindu, Indian Express).
Practice Comprehension, Cloze Test, Error Spotting, Synonyms/Antonyms.
Revise from Objective General English by S.P. Bakshi.
Target: 60+ marks consistently in mock tests.
📗 General Knowledge (GK)
Revise Lucent’s GK + NCERTs (6–10) for History, Geography, Science.
Cover Polity (Laxmikanth), Economy (NCERT basics), Defence Current Affairs.
Read monthly current affairs magazines and note important events.
Target: 50–55+ questions correct.
📕 Mathematics
Focus on Algebra, Trigonometry, Arithmetic, Geometry, Mensuration, and Statistics.
Revise shortcuts and tricks for faster calculation.
Practice from Pathfinder for CDS and RS Aggarwal.
Daily practice: 25–30 Maths questions (mixed topics).
Target: 55–60 marks minimum.
Smart Tips for the Last 100 Days
✅ Stick to limited and trusted resources – don’t switch books now.
✅ Attempt mock tests in the same time slot as the real exam.
✅ Revise formulas, GK facts, and English grammar rules daily.
✅ Maintain a balance between all three papers – don’t ignore one subject.
✅ Sleep well, eat healthy, and exercise for physical fitness (important for SSB).
How Victor Growth Helps in the Last 100 Days
Even if you’ve been self-studying, the last 100 days before CDS I 2026 require expert guidance. Victor Growth supports aspirants with:
📝 100 Days CDS Crash Course (Focused coverage & revision).
📘 Daily Current Affairs Capsules (precise and exam-oriented).
🎯 Mock Tests & PYQ Practice Sets with detailed analysis.
👨🏫 Mentorship & Doubt-Solving Sessions to save time.
🪖 SSB Preparation Guidance (communication, psychology, fitness).
👉 With Victor Growth, you’ll stay focused, disciplined, and fully prepared to maximize your score in the last stretch.
FAQs on Last 100 Days Preparation for CDS I 2026
Q1. Can I crack CDS in just 100 days of preparation?
Ans: Yes, if you already have basic knowledge, 100 days of focused preparation + mock tests is enough to crack CDS.
Q2. How many hours should I study daily in the last 100 days?
Ans: Aim for 6–8 hours daily, including practice, revision, and mock tests.
Q3. Should I focus on new topics or only revision in the last 100 days?
Ans: Prioritize revision of strong areas. Cover only important new topics if time permits.
Q4. How many mock tests should I attempt before CDS 2026?
Ans: At least 20–25 full-length mock tests along with 10 years of PYQs.
Q5. Why should I join Victor Growth for the last 100 days?
Ans: Because Victor Growth offers structured crash courses, daily revision plans, and expert mentorship, which save time and maximize results in the final stretch.
✅ Conclusion
The last 100 days are a golden opportunity for CDS I 2026 aspirants to polish their preparation, fix mistakes, and practice effectively. With a smart plan, regular revision, and mock test practice, you can crack CDS confidently.
And with Victor Growth’s expert support, you’ll gain the structured guidance needed to convert your preparation into success in CDS I 2026.