Explanation

The situation primarily reflects the principle of accountability—a public official’s responsibility to act in the public interest and remain answerable for decisions taken under their authority.

Accountability — Correct: Accountability requires public officials to take responsibility for their actions, ensure transparency and remain answerable to oversight mechanisms. By reporting the compromised vaccine distribution to the vigilance authority and refusing to continue the contract despite pressure, Mr. X demonstrated accountability towards public welfare.

Esprit de corps — Incorrect: This principle focuses on team spirit, unity, harmony and mutual trust within an organisation. These elements are not central to the situation.

Equity — Incorrect: Equity refers to fairness, justice and impartiality in administration. Although Mr. X’s decision was fair, the key feature of the case is his answerability and responsibility, making accountability the more appropriate principle.

Delegation — Incorrect: Delegation involves transferring authority and responsibility to a subordinate or external agency. Here, Mr. X is instead ensuring that the party entrusted with the work remains accountable for its actions.