A) Australia
B) China
C) Russia
D) India
Explanation: The Indian military contingent comprising of an all arms combined force of 200 personnel is participating in the Exercise PEACEFUL MISSION -2021, a Joint Counter Terrorism Exercise between Shanghai Cooperation Organisation (SCO) member states. The Exercise PEACEFUL MISSION- 2021 is being hosted by Russia in the Orenburg Region of South West Russia from September 13 to 25, 2021
