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  "path": "/india-news/indias-most-advanced-atomic-reactor-prototype-fast-breeder-reactor-pfbr-at-kalpakkam-in-tamil-nadu-reaches-milestone-attains-criticality-11320590",
  "publishedAt": "2026-04-07T01:02:58.000Z",
  "site": "https://www.ndtv.com",
  "tags": [
    "All India"
  ],
  "textContent": "Criticality refers to the point at which a reactor achieves a self-sustaining nuclear fission reaction, where the number of neutrons produced is sufficient to keep the reaction going without external...",
  "title": "India's Most Advanced Atomic Reactor Reaches Milestone, Attains Criticality"
}