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The Indian government angrily rejected the statement, and a year later Sun got his comeuppance. India conveyed Beijing a message that unless Sun was recalled, Prime Minister Manmohan Singh would not send a final list of dates for his visit to China. The Prime Ministerís Office held its ground despite Chinaís initial refusal to concede.
[source : Delhi sees last of tough-talking Chinese envoy ]
Please explain to me what "recalled" means in this context.