Correct Answer: Jayaprakash Narayan
Subject: 2025
Explanation: <b>Key Fact</b><br>Jayaprakash Narayan is the marked person who was not an associate in the Champaran movement.<br><br><b>Additional Info</b><br>Topic: Champaran Movement. The correct option is <b>C</b> — Jayaprakash Narayan.<br><br><b>Why the other options are wrong</b><br><b>Option A</b>: Dhanidhar Prasad — not the option marked correct for this question.<br><b>Option B</b>: Gorakh Prasad — not the option marked correct for this question.<br><b>Option D</b>: Brajkishore Prasad — not the option marked correct for this question.<br><br><b>Exam Trick</b><br>Identify the exact concept tested, then eliminate options that contradict the definition, formula, chronology or fact in the question.<br><br><b>Final Answer</b><br>Option C — Jayaprakash Narayan.