In 2013, Snowden fled the United States and was given asylum in Russia.
Clashes broke out between two communities during a Hanuman Jayanti procession at Jahangirpuri on Saturday.
Misri was succeeded as Ambassador to China by Pradeep Kumar Rawat, a 1990 batch IFS officer, earlier this month.
Khan has been in jail since January after he delivered the allegedly provocative speech at the Aligarh Muslim University (AMU) during the anti-Citizenship (Amendment) Act (CAA) protests in December last year. He is lodged in Mathura jail.
China has been behaving in a belligerent fashion all around its periphery, certainly in the East and South China sea, and its relations with Japan, India as well as others have declined.
Ajit Doval's rise in the government influence chart has made the IAS lobby and its supporters unhappy.