India tested its first nuclear device on?

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India tested its first nuclear device on? Answer: 18 May 1974

India conducted its first nuclear test on May 18, 1974, at Pokhran, Rajasthan. The test was code-named “Smiling Buddha” and marked India’s entry into the list of nuclear-capable nations. It was a peaceful nuclear explosion under Prime Minister Indira Gandhi’s leadership and had significant geopolitical implications in South Asia and beyond.

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This question is part of 📚 General Knowledge within the broader 🌐 Current Affairs & GK subject and appears in the PPSC Punjab Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.