Official Answer Key & Detailed Solution
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Correct Answer: Option (C) — pulse polio immunization
Concept & Option Breakdown
Standard Reference VerifiedThe Pulse Polio Immunization (PPI) campaign was launched by India in 1995-1996 as part of the Global Polio Eradication Initiative, organizing nationwide mass oral polio vaccination days.
Smallpox was eradicated globally by 1980; Pulse Polio was the major campaign launched in the mid-1990s.
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