UPSC Margin is a free study platform offering analytical concept notes, daily current affairs, and mock tests for UPSC Civil Services Prelims and Mains preparation. Built by an aspirant for aspirants.

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All notes, daily current affairs, sectional tests, and full-length mock tests are free during the 3-month open-access window.

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Mock tests follow the exact UPSC Prelims format: 100 questions for GS Paper I with 2-hour timer, +2 marks for correct answers, and -0.67 for wrong answers. Each question has a detailed explanation.

Study Material

Concept Notes

Analytical notes built around one principle — if it won't help you eliminate a wrong option or write a better answer, it doesn't belong here.

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Semi Conductors and India's Mission UPSC Notes | Exam Stage 2026

Analysis of India's semiconductor mission and the global chip war.

May 1, 20268 min read