During his one-day visit here, Defence Minister A K Antony also offered to cooperate with Thailand in the field of defence production.
"Our trade is dependent on the sea lanes. Hence, security of the sea lanes and freedom of navigation is critical to our economic and overall security. India supports the freedom of navigation in accordance with the principles of international law," he said in his talks with his Thai counterpart Air Chief Marshal Sukumpol Suwanatat.
"All countries must exercise restraint and resolve issues diplomatically, according to the principles of international law," he said.
Antony's comments came amidst flexing of muscles by China in the South China Sea and the East China Sea.
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China has in the recent past used its naval ships and aircraft to intimidate neighbouring countries including Japan which are in dispute with Beijing over maritime rights.
Noting that ASEAN was central to any security architecture in the region, Antony said, "India is committed to efforts of ASEAN Defence Ministers' Meeting Plus, ASEAN Regional Forum and the East Asia Summit for promoting dialogue and consensus building among all countries of the region," he said.