"We would like to support the idea of developing a multifaceted cooperation between China, Iran, Russia, and India to oppose the purposeful expansion of NATO to the east and placing a missile shield in Europe."
NATO has been boosting its presence in Eastern Europe which has caused concerns from Russian authorities. The process is taking place amid tensions between the alliance and Moscow, following NATO's accusations that Russia was providing Ukraine's southeastern militias with military assistance.
He emphasized that Iran was ready to begin consultations on the issue to secure stability in the region.
"Three-way talks of the Russian, Chinese and Iranian defense ministers were also suggested [at the meeting]. Both sides expressed their support for the proposal," he said.
Dehghan is in Moscow where he is attending a two-day conference on international security. The meeting has brought together military chiefs from Iran, Pakistan, Armenia, Belarus, Kyrgystan, Tajikistan, Argentina, Indonesia, Serbia, South Africa and its host Russia.
Iranian and Russian defense ministers discussed "mechanisms of cooperation within regional organizations," including between Caspian states, the Iranian official told journalists.
Following a breakthrough deal between Tehran and the world powers, Russia said it looks forward to enhancing cooperation with Iran in various spheres, including the implementation of joint defense, nuclear and energy projects, once the sanctions are lifted.
It also raised the possibility of Iran's full accession into the Shanghai Cooperation Organization (SCO), which has both Russia and China as members.