CDA 1 2025: 30-Day Ultimate Study Plan to Crack the Exam

The Combined Defence Services (CDS) Examination is a golden opportunity for graduates to join the Indian Military Academy (IMA), Indian Naval Academy (INA), Air Force Academy (AFA), or Officers’ Training Academy (OTA). Conducted twice a year by the Union Public Service Commission (UPSC), this exam is the gateway to leadership in the Indian Armed Forces.

With just 30 days left, it’s time to focus on smart revision, strategic practice, and time management to ensure success. This last month can make or break your selection, so give it your best shot!

📅 CDS 1 2025 Exam Date: April 13, 2025 (Sunday) – Mark your calendar and make these last 30 days count!

Why CDS?

Becoming an officer in the Indian Armed Forces is about more than just a career—it’s a lifetime of honor, responsibility, and adventure. Here’s what makes it special:
✅ A prestigious and challenging career.
✅ Leadership opportunities in the Indian Army, Navy, or Air Force.
✅ The chance to serve and protect the nation with honor.
✅ World-class training and an adventurous lifestyle.


Your Last 30 Days Matter the Most!

Many aspirants start strong but slow down towards the end. Don’t let that happen to you! In these final 30 days, you must:
Revise smartly—focus on high-scoring topics.
Practice rigorously—attempt mock tests daily.
Stay disciplined—stick to a schedule.
Believe in yourself—confidence is your biggest asset!

Now, let’s dive into a structured 30-day strategy to help you maximize your preparation and ace the CDS 1 2025 exam! 🚀


Week 1-2: Subject-Wise Revision & Practice

🔹 Target: Strengthen concepts & improve accuracy.

Daily Schedule (6-7 Hours Minimum)

Time SlotSubject & Task
6:00 – 7:30 AMMathematics: Revise formulas & solve 30-40 PYQ-based questions
10:00 – 11:30 AMGeneral Knowledge: Revise History, Geography, Polity (NCERT/Short Notes)
2:00 – 3:00 PMEnglish: Grammar + Vocabulary (Idioms, Synonyms, Antonyms)
5:00 – 6:30 PMScience: Physics (Laws, Numericals), Chemistry (Reactions, Acids/Bases), Biology (Human Body, Diseases)
8:00 – 9:00 PMCurrent Affairs & Defence News (Last 6 months)

Key Focus Areas:

Mathematics (For IMA, INA, AFA): Algebra, Trigonometry, Probability, Calculus (Solve 50+ questions daily).
English: Focus on Grammar Rules, Spotting Errors, Reading Comprehension.
General Knowledge: Revise Modern History, Constitution, Geography, Science & Economy.
Science: Revise key NCERT topics with short notes.
Current Affairs: Focus on Defence Exercises, Military Agreements, and Space Missions.

📌 Note: OTA candidates do not have the Mathematics paper, so they should divide time between English & GK accordingly.


Week 3: Mock Tests & Performance Analysis

🔹 Target: Improve time management & accuracy.

Daily Schedule

Time SlotTask
6:00 – 8:30 AMFull-length Mathematics Mock Test (120 questions in 2 hours) – IMA/INA/AFA only
10:00 – 12:30 PMFull-length English Mock Test (120 questions in 2 hours)
2:00 – 3:00 PMAnalyze Mock Test (Identify mistakes & weak topics)
5:00 – 6:30 PMRevise weak topics from Mathematics & General Knowledge
8:00 – 9:00 PMCurrent Affairs + Defence News revision

Key Focus Areas:

✅ Solve one full-length mock test daily for Mathematics, English, and GK.
✅ Identify mistakes & weak areas, revise those topics.
✅ Revise Static GK topics (Indian Economy, Defence Exercises, Space Missions).
✅ Focus on short tricks & mental calculations to increase speed.

📌 OTA Candidates: Attempt only English & General Knowledge mock tests.


Week 4: Final Revision & Exam Strategy

🔹 Target: Minimize errors & boost confidence.

Daily Schedule

Time SlotTask
6:00 – 7:30 AMMathematics: Solve last 5 years’ PYQs (IMA/INA/AFA)
10:00 – 11:30 AMQuick revision of Science, Geography, Polity
2:00 – 3:00 PMEnglish & Current Affairs (Revise Vocabulary & Defence News)
5:00 – 6:30 PMMock Test (One Section – Maths, English, or GK)
8:00 – 9:00 PMFormula & Short Note Revision

Key Focus Areas:

✅ Revise formulas, tricks, and important concepts—no new topics.
✅ Solve last 5-7 years’ CDS papers in a timed manner.
✅ Improve accuracy & time management—avoid negative marking.
✅ Keep stress low, maintain proper sleep & a healthy diet.

📌 OTA Candidates: Revise English & GK, avoiding Mathematics.


Exam-Day Tips for CDS 1 2025

✔️ Mathematics (IMA/INA/AFA): Attempt easy questions first; don’t waste time on tough ones.
✔️ English: Focus on comprehension and grammar-based questions.
✔️ General Knowledge: Read carefully; avoid guesswork to minimize negative marking.
✔️ Time Management: Each paper is 2 hours—stay calm and focused.
✔️ Documents Checklist: Carry admit card, ID proof, and required stationery.

“Success in CDS isn’t just about hard work—it’s about smart strategy, discipline, and the unwavering belief that you are destined to wear the uniform!” 🇮🇳

Stay dedicated, follow this plan, and give your best shot in CDS 1 2025! Jai Hind! 💪🔥

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