“Mitra Shakti 2016” the joint military exercise has been started between India and which country?
[B]Sri Lanka

Sri Lanka
The 4th edition of the India-Sri Lanka joint military exercise “MITRA SHAKTI 2016” has started at Sinha Regimental Centre in Ambepussa, Sri Lanka from October 24 and will be continued till November 6, 2016. The main focus of this edition of the joint exercise is to enhance inter-operability while carrying out Counter Insurgency (CI)/Counter Terrorism (CT) operations under the United Nations Mandate.