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UPSC IFS 2025 Question Paper and Answer Key PDF: Download PDF

Feb 5, 2026

UPSC IFS 2025 Question Papers along with the answer key and detailed solutions are available for download in PDF format. The UPSC IFS Mains 2025 exam was conducted from 16 Nov, 2025 to 23 Nov, 2025 in two sessions—Forenoon (9:00 AM to 12:00 Noon) and Afternoon (2:30 PM to 5:30 PM), while the UPSC IFS Prelims 2025 was held on 25 May, 2025. Candidates can download the UPSC IFoS 2025 Prelims and Mains question papers, answer keys, and subject-wise solutions to assess their performance, understand the exam pattern, and improve their preparation for future attempts.

UPSC IFS Prelims 2025 Question Paper and Answer Key PDF (May 25, 2025)

UPSC IFS Mains 2025 Question Paper and Answer Key PDF

Question Paper PDF
UPSC IFS Mains 2025 General English Question Paper PDF (Nov 16, 2025)
UPSC IFS Mains 2025 General Knowledge Question Paper PDF (Nov 16, 2025)
UPSC IFS Mains 2025 Mathematics Paper-I Question Paper PDF (Nov 18, 2025)
UPSC IFS Mains 2025 Mathematics Paper-II Question Paper PDF (Nov 18, 2025)
UPSC IFS Mains 2025 Statistics Paper-I Question Paper PDF (Nov 18, 2025)
UPSC IFS Mains 2025 Statistics Paper-II Question Paper PDF (Nov 18, 2025)
UPSC IFS Mains 2025 Civil Engineering Paper –I Question Paper PDF (Nov 19, 2025)
UPSC IFS Mains 2025 Civil Engineering Paper –II Question Paper PDF (Nov 19, 2025)
UPSC IFS Mains 2025 Chemical Engineering Paper –I Question Paper PDF (Nov 19, 2025)
UPSC IFS Mains 2025 Chemical Engineering Paper –II Question Paper PDF (Nov 19, 2025)
UPSC IFS Mains 2025 Mechanical Engineering Paper –I Question Paper PDF (Nov 19, 2025)
UPSC IFS Mains 2025 Mechanical Engineering Paper –II Question Paper PDF (Nov 19, 2025)
UPSC IFS Mains 2025 Zoology Paper -I Question Paper PDF (Nov 19, 2025)
UPSC IFS Mains 2025 Zoology Paper -II Question Paper PDF (Nov 19, 2025)
UPSC IFS Mains 2025 Agricultural Engineering Paper –I Question Paper PDF (Nov 20, 2025)
UPSC IFS Mains 2025 Agricultural Engineering Paper –II Question Paper PDF (Nov 20, 2025)
UPSC IFS Mains 2025 Animal Husbandry & Veterinary Science Paper- I Question Paper PDF (Nov 20, 2025)
UPSC IFS Mains 2025 Animal Husbandry & Veterinary Science Paper- II Question Paper PDF (Nov 20, 2025)
UPSC IFS Mains 2025 Physics Paper- I Question Paper PDF (Nov 20, 2025)
UPSC IFS Mains 2025 Physics Paper- II Question Paper PDF (Nov 20, 2025)
UPSC IFS Mains 2025 Chemistry Paper- I Question Paper PDF (Nov 21, 2025)
UPSC IFS Mains 2025 Chemistry Paper- II Question Paper PDF (Nov 21, 2025)
UPSC IFS Mains 2025 Botany Paper- I Question Paper PDF (Nov 21, 2025)
UPSC IFS Mains 2025 Botany Paper- II Question Paper PDF (Nov 21, 2025)
UPSC IFS Mains 2025 Geology Paper- I Question Paper PDF (Nov 22, 2025)
UPSC IFS Mains 2025 Geology Paper- II Question Paper PDF (Nov 22, 2025)
UPSC IFS Mains 2025 Agriculture Paper- I Question Paper PDF (Nov 23, 2025)
UPSC IFS Mains 2025 Agriculture Paper- II Question Paper PDF (Nov 23, 2025)
UPSC IFS Mains 2025 Forestry Paper- I Question Paper PDF (Nov 23, 2025)
UPSC IFS Mains 2025 Forestry Paper- II Question Paper PDF (Nov 23, 2025)

UPSC IFS 2025 selection process consists of three stages: Prelims, Mains, and Interview. UPSC IFoS Prelims includes two papers: General Studies (200 questions, 2 hours) and CSAT (80 questions, 2 hours). Mains exam consists of 6 written papers, including General Studies, Optional Subjects, and a Personality Test. Final selection is based on the performance in the Mains and Interview stages.

UPSC IFS 2025 Question Paper FAQs

Ques: What is the structure of the UPSC IFoS 2025 Prelims exam?

Ans: The Prelims consists of two papers: General Studies (200 questions, 2 hours) and CSAT (80 questions, 2 hours).

Ques: How many papers are there in the UPSC IFoS 2025 Mains?

Ans: UPSC IFoS Mains consists of six descriptive papers, including two optional subjects.

Ques: Are there any negative markings in the UPSC IFoS Prelims?

Ans: Yes, there is negative marking for incorrect answers in both the General Studies and CSAT papers.

Ques: Is the CSAT paper qualifying?

Ans: Yes, CSAT paper is qualifying in nature, and candidates need to score a minimum of 33% to qualify.

*The article might have information for the previous academic years, please refer the official website of the exam.
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