Dionyssios Kyvetos, Ambassador of the Greece, and Somalia Faduma Abdullahi Mohamud, Ambassdor of Somalia, also presented their credentials, a Rashtrapati Bhavan release said.
China had appointed Weidong, a veteran diplomat, as its new ambassador to India in June. He replaced Luo Zhaohui, who was promoted to the post of Vice Foreign Minister.
Sun had been Director-General in China's Ministry of Foreign Affairs' Policy Planning Department and also served as China's Ambassador to Pakistan.
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