UPSC Civil Services Examination (IAS)
UPSC (Union Public Service Commission) · Offline (Pen & Paper) · Once a year
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UPSC CSE Answer Key
Official and expected answer keys for UPSC CSE 2026. Check set-wise solutions and objection window details.
Answer key will be available after the exam. Check back for updates.
About UPSC Civil Services Examination (IAS) (UPSC CSE) 2027
The UPSC Civil Services Examination (IAS) (UPSC CSE) is one of the most competitive entrance exams, conducted by the UPSC (Union Public Service Commission). Preparing for the UPSC CSE requires systematic practice, conceptual clarity, and regular self-evaluation. Our platform offers dynamic mock tests, previous years' resolved papers, and AI-enabled analysis to help you secure a top rank.
Frequently Asked Questions
What is the UPSC CSE 2027 Prelims exam pattern?
UPSC Prelims has 2 papers — GS Paper 1 (100 questions, 200 marks) and CSAT (80 questions, 200 marks). CSAT is qualifying (33% needed). Questions from Indian History, Polity, Economy, Environment, Science, and Current Affairs.
How many attempts are allowed for UPSC IAS?
General category candidates get 6 attempts, OBC gets 9 attempts, and SC/ST have unlimited attempts till age limit. Age limit is 32 for General, 35 for OBC, 37 for SC/ST.
What is the UPSC CSE Prelims 2027 cutoff?
Expected cutoff for General category is around 90-100 out of 200 marks for GS Paper 1, based on previous year trends (2022: 90.10, 2023: 75.41).
Which optional subject is best for UPSC Mains?
Popular optional subjects include Public Administration, Sociology, Geography, History, and Political Science. The best choice depends on your graduation background and interest, as Mains accounts for 1750 marks.
What is the salary of an IAS officer?
An IAS officer starts at ₹56,100 per month (Level 10), reaching ₹2,50,000 for Cabinet Secretary. With allowances, take-home salary starts at ₹80,000-₹1,00,000 in the first posting.
How to Prepare for UPSC CSE
Start with NCERT books (Class 6-12) for History, Geography, Polity, Economy, and Science foundation
Current affairs preparation must be daily — maintain a notes diary from newspapers and PIB for Prelims and Mains
CSAT (Paper 2) requires qualifying marks only — allocate 2-3 weeks dedicated preparation to clear the 33% threshold
Practice previous year UPSC Prelims papers under timed conditions — question pattern and difficulty remain consistent