What is the exam pattern of UPSC Prelims and Mains?

UPSC Exam Pattern:

Prelims:

2 objective papers on the same day

• GS Paper-I: 100 questions, 200 marks

• CSAT: 80 questions, 200 marks (qualifying 33%)

Mains:

Written exam with 9 papers

• 2 qualifying (Language & English)

• 7 merit papers: Essay, GS-I to IV, Optional (2 papers)

Then Interview for final selection.