meaning of : recalled

[user_gary]

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 Minister’s Office held its ground despite China’s initial refusal to concede.

[source : Delhi sees last of tough-talking Chinese envoy ]

Please explain to me what "recalled" means in this context.

 

[beascarpetta]

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 Minister’s Office held its ground despite China’s initial refusal to concede.

[source : Delhi sees last of tough-talking Chinese envoy ]

Please explain to me what "recalled" means in this context.

...... was officially told/ordered to return .....:-D