Official Guide Staff Selection Commission (SSC) • Reviewed: 01 October 2026

SSC CHSL 10+2 Examination Comprehensive Guide (2026)

The Staff Selection Commission Combined Higher Secondary Level (SSC CHSL) examination is the most prominent national competitive examination for 10+2 (Higher Secondary) qualified aspirants in India. It recruits clerical, secretarial, and data handling professionals into ministries, attached departments, armed forces headquarters, and statutory tribunals across the Union Government. Major posts include Lower Division Clerk (LDC), Junior Secretariat Assistant (JSA), and Data Entry Operator (DEO). Featuring a modern two-tier computerized testing model with integrated skill testing, CHSL offers stable central civil employment with clear promotion avenues into executive ranks.

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1. Statutory Eligibility Criteria

Age Limit & Crucial Date:

18 to 27 Years as on crucial date. Standard category relaxations: +3 yrs for OBC-NCL, +5 yrs for SC/ST, +10 yrs for PwBD.

Educational Qualification:

Must have passed 12th Standard or equivalent examination from a recognized Board or University. For DEO Grade A in the Office of Comptroller and Auditor General of India (CAG): 12th Standard pass in Science stream with Mathematics as a subject.

Nationality:

Citizen of India, subject of Nepal/Bhutan.

Permissible Attempts:

Unlimited attempts within the prescribed age ceiling.

2. Multi-Stage Selection Framework

Tier-1: Computer-Based Examination Online Objective MCQ

100 questions (200 marks) across 4 sections: Reasoning, Quantitative Aptitude, English, and General Awareness. 60-minute duration. Qualifying for Tier-2.

Tier-2: Mains CBT & Skill / Typing Test Online Objective CBT + Typing Test

Section-I (Math + Reasoning, 180 marks), Section-II (English + GA, 180 marks), Section-III (Computer Knowledge, qualifying), Section-IV (Skill Test / Typing Test, qualifying).

3. Examination Scheme & Syllabus

Pattern mirrors the 2-tier structure with 10+2 standard syllabus difficulty.

Section / Paper Questions Marks Duration Negative Marking
Tier-1: English Language (Basic Knowledge) 25 50 60 Mins 0.50 marks
Tier-1: General Intelligence 25 50 60 Mins 0.50 marks
Tier-1: Quantitative Aptitude (Basic Arithmetic) 25 50 60 Mins 0.50 marks
Tier-1: General Awareness 25 50 60 Mins 0.50 marks
Tier-2 Paper-I Sec-I: Math + Reasoning 60 180 60 Mins 1.00 mark
Tier-2 Paper-I Sec-II: English + GA 60 180 60 Mins 1.00 mark

4. 7th CPC Pay Scale & Career Growth

Pay Level & Grade Pay:

Pay Level 2 (₹19,900–₹63,200) for LDC/JSA; Pay Level 4 (₹25,500–₹81,100) and Level 5 (₹29,200–₹92,300) for DEO.

Starting Basic & In-Hand Range:

₹19,900 (LDC) / ₹25,500 (DEO) (Estimated in-hand: ₹31,000 to ₹45,000 per month depending on post level and posting city classification.)

Hierarchical Promotion Ladder:
  1. Entry: Lower Division Clerk / JSA (Pay Level 2)
  2. Promotion 1 (5-8 Yrs): Upper Division Clerk / Senior Secretariat Assistant (Pay Level 4)
  3. Promotion 2 (10-14 Yrs): Assistant Section Officer (Pay Level 7 through LDCE or seniority)
  4. Promotion 3: Section Officer (Pay Level 8)

5. Frequently Asked Questions (Combined Higher Secondary Level (10+2))

What is the minimum typing speed required for LDC in SSC CHSL?

For Lower Division Clerk (LDC) / JSA, the typing test speed requirement is 35 words per minute in English (10,500 key depressions per hour) or 30 words per minute in Hindi (9,000 key depressions per hour).

Is descriptive paper (Tier-2 essay/letter writing) still conducted in SSC CHSL?

No. The offline pen-and-paper descriptive paper (Essay and Letter writing) has been completely discontinued and replaced with the online Tier-2 objective computer-based test.

Can arts and commerce students apply for Data Entry Operator (DEO)?

Arts and Commerce stream students can apply for DEO in various ministries. However, for DEO Grade A in CAG, 12th standard pass in Science stream with Mathematics is mandatory.

Is negative marking present in SSC CHSL Tier-1?

Yes. Tier-1 carries a negative marking penalty of 0.50 marks for each incorrect response (1/4th penalty on 2-mark questions).

What is the in-hand salary of an LDC in a metropolitan city like Delhi?

An LDC at Pay Level 2 (Basic ₹19,900) in a Class X city (like Delhi) receives an approximate in-hand monthly salary of ₹33,000 to ₹35,200 post NPS deductions.