Tier 1 and Tier 2 in SSC CGL:

Tier 1 Exam:
The SSC CGL (Staff Selection Commission Combined Graduate Level) exam is conducted in multiple tiers. Tier 1 is the first stage of the SSC CGL exam. It is a computer-based test (CBT) and serves as a screening test for candidates. The key details of Tier 1 exam are as follows:

1. Exam Pattern:
- The Tier 1 exam consists of four sections: General Intelligence and Reasoning, General Awareness, Quantitative Aptitude, and English Comprehension.
- The total duration of the exam is 60 minutes (80 minutes for visually handicapped candidates).
- There are a total of 100 questions, with each section containing 25 questions.
- Each correct answer carries 2 marks, while 0.50 marks are deducted for each incorrect answer.

2. Syllabus:
- General Intelligence and Reasoning: Questions are designed to test the candidate's ability to think logically and analyze data.
- General Awareness: Questions cover various topics such as current affairs, history, geography, economics, etc.
- Quantitative Aptitude: This section tests the candidate's numerical ability and problem-solving skills.
- English Comprehension: Questions assess the candidate's proficiency in the English language.

Tier 2 Exam:
After qualifying in the Tier 1 exam, candidates move on to the Tier 2 exam. It is also a computer-based test and is more specialized in nature. The key details of Tier 2 exam are as follows:

1. Exam Pattern:
- The Tier 2 exam consists of two compulsory papers: Quantitative Abilities and English Language & Comprehension.
- Each paper is of 200 marks and has a duration of 2 hours (2 hours 40 minutes for visually handicapped candidates).
- The Quantitative Abilities paper contains 100 questions, while the English Language & Comprehension paper has 200 questions.
- Negative marking of 0.25 marks is applicable for each incorrect answer in the English Language & Comprehension paper.

2. Syllabus:
- Quantitative Abilities: This paper focuses on advanced mathematics topics such as algebra, trigonometry, geometry, statistics, etc.
- English Language & Comprehension: The paper tests the candidate's understanding of the English language, including grammar, vocabulary, and comprehension skills.

Conclusion:
SSC CGL Tier 1 is a preliminary screening test, while Tier 2 is a specialized exam that goes deeper into the subjects. Both tiers play a crucial role in the selection process for various Group B and Group C posts in the government sector. It is important for candidates to thoroughly prepare for both tiers to enhance their chances of success in the SSC CGL examination.