Hello, SSC CGL has four rounds of selection process with no interview rounds. The eligibility is that the candidate should be a graduate and the age limit is from 20 to 30 which will differ for each posts selection.

Tier 1 - computer based- General Awareness, Quantitative Aptitude, English Comprehension - 200 marks -2 marks for each and 0.50 negative marks

Tier 2- computer based-

Paper 1: Quantitative Ability -2 marks for each question with 0.50 negative mark
Paper 2: English Language and Comprehension-1 mark for each and -0.25 negative mark
Paper 3: Statistics-2 marks for each question with 0.50 negative mark
Paper 4: General Studies (Finance and Economics) -2 marks for each question with 0.50 negative mark

• Paper 1 & 2 mandatory for all posts.
• Paper 3 is only for those who have applied for the post of Junior Statistical Officer (JSO) and shortlisted for the same
• Paper 4 is  only for those who have applied for the post of Assistant Audit Officer/ Assistant Accounts Officer and shortlisted

Tier 3- paper based- Essay, Application, Passage Writing -100 marks -33% qualifying

Tier 4 - computer bases- Data Entry Skill Test/Computer Proficiency Test

DEST-Only for candidates applying for the post of Tax Assistants

CPT -Only for candidates applying for the post of Assistant Section Officer

Finally Document verification process takes place.

You can refer this link for more information https://competition.careers360.com/articles/ssc-cgl

Best wishes.