Difficulty: Easy
Correct Answer: 1957
Explanation:
Topic: Indian track-and-field milestones
Given data
Concept/ApproachMilkha Singh's breakout period precedes his 1958 Asian and Commonwealth Games triumphs; the first National 400 m title is noted as 1957 in standard sports GK references.
ReasoningPeak international golds in 1958 → first national title likely just before → 1957.
Common pitfalls
Final Answer1957
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