How to Prepare for SSC CHSL Exam 2025

The SSC CHSL exam is one of the most popular government exams in India. Every year, lakhs of students apply to secure a stable job in various central government departments.

It offers posts like Lower Division Clerk (LDC), Data Entry Operator (DEO), and Postal Assistant. The eligibility is simple—just a 12th pass certificate. However, the competition is high. So, a focused preparation strategy is the key to success.

If you’re wondering how to prepare for SSC CHSL Exam, this guide will walk you through every step, from books to mock tests.


  • Full Form: Staff Selection Commission – Combined Higher Secondary Level
  • Eligibility: 12th pass from any recognized board
  • Conducted By: SSC (Staff Selection Commission)
  • Mode: Online (Tier I), Offline (Tier II), Skill Test (Tier III)
  • Lower Division Clerk (LDC)
  • Data Entry Operator (DEO)
  • Postal Assistant / Sorting Assistant
TierModeTypeDetails
IOnlineObjective MCQ4 sections – 100 questions
IIOfflineDescriptiveEssay and Letter writing
IIIOfflineSkill TestTyping/Data Entry test (qualifying)

To start your preparation, know what to study. Here’s a quick look:

  • General Intelligence
  • Quantitative Aptitude
  • General Awareness
  • English Language
  • Descriptive Paper (Essay & Letter) – Tier II

A good study plan helps you stay consistent.

  • Create weekly goals for each subject
  • Set daily targets – 2 topics + 1 mock test
  • Keep one day for revision and doubt-solving

Use a mix of standard books, NCERTs, and previous year papers to build concepts and practice.


Here’s a list of top books to cover the entire syllabus:

SubjectRecommended Book
General IntelligenceLucent Reasoning, R.S. Aggarwal Reasoning
Quant AptitudeQuantitative Aptitude by R.S. Aggarwal, Fast Track Arithmetic
EnglishObjective English by S.P. Bakshi
General AwarenessLucent GK, Newspapers, Monthly Current Affairs
Descriptive (Tier II)Kiran Descriptive Book for SSC

  • 📍 Focus on speed and accuracy
  • 📍 Use topic-wise mock tests
  • 📍 Keep revising formulas and shortcuts
  • 📍 Solve previous year question papers

  • ✍️ Write one essay and one letter per week
  • ✍️ Focus on vocabulary and grammar
  • ✍️ Learn correct letter formats
  • ✍️ Practice within a 1-hour time limit

  • ⌨️ Practice typing every day
  • English: 35 words per minute
  • Hindi: 30 words per minute
  • Use free online typing tools
  • Understand data entry formats used in the DEO test

Make use of free platforms to prepare smartly:

  • 🎥 YouTube Channels: Adda247, Study IQ, Wifistudy
  • 📱 Telegram Groups: PDF notes, doubt discussions
  • 📘 Mobile Apps: Mock tests, quizzes, daily current affairs
  • 🌐 SSC Website: www.ssc.nic.in for updates

MonthFocus Areas
Month 1Build strong basics, focus on weak subjects
Month 2Complete syllabus + solve practice sets
Month 3Mock tests, full revision, and Tier II prep

❌ Ignoring Tier II (Descriptive paper)
❌ Relying only on video lectures without practice
❌ Not solving previous year questions
❌ Skipping mock test analysis


Q1. How long does it take to prepare for SSC CHSL?

3 to 6 months of consistent study is usually enough.

Q2. Is coaching necessary to crack SSC CHSL?

No. Many candidates crack it with self-study and online materials.

Q3. How many attempts are allowed in SSC CHSL?

There’s no attempt limit. You can apply as long as you meet the age criteria.

Q4. Is SSC CHSL tougher than SSC CGL?

No. SSC CHSL is easier and meant for 12th pass candidates.

Q5. What is the qualifying typing speed for SSC CHSL Tier III?

35 wpm in English or 30 wpm in Hindi.



SSC CHSL is a golden opportunity for students who want a stable government job after 12th. With the right strategy, books, and practice, you can easily clear the exam in your first attempt.

Start early, stay consistent, and make every day count. You don’t need coaching — just the right plan and confidence.

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