During the summit, India underlined the importance of adhering to international law, respecting territorial integrity and sovereignty.
Indo-Pacific region is largely viewed as an area comprising the Indian Ocean and the western and central Pacific Ocean, including the South China Sea.
The meeting took place in the backdrop of China's aggressive military behaviour in the Indo-Pacific, South China Sea and along the Line of Actual Control (LAC) in eastern Ladakh.
The visit comes days after Prime Minister Narendra Modi had a telephonic conversation with his new Japanese counterpart Yoshihide Suga where the leaders held discussions on strengthening ties.
A document issued last week by the State Department cited China’s record on issues from greenhouse gas emissions to air and water and soil pollution, illegal logging and wildlife trafficking.
India said the agreement is expected to enhance bilateral defence cooperation as well as peace and security in the Indo-Pacific region.
Don’t let the Chinese Communist Party walk over us and our people. You should have confidence and the American will be here in friendship to help you, Pompeo said.
The Foreign Secretary said Manila would continue air patrols over the South China Sea despite Beijing calling it an illegal provocation.
One of the missiles, a DF-26B, was launched from the north-western province of Qinghai, while the other, a DF-21D, (aircraft-carrier killer missile) lifted off from Zhejiang province in the east.
The sanctions add to conflict over control of the sea, one of the world's busiest shipping lanes.
Australia recently filed a memorandum with the United Nations saying the claims were "without legal basis," plunging Canberra into the controversy that has drawn angry responses from Beijing.
To maintain its presence in the South China Sea region, China, for several years, continued its efforts to prevent the Vietnam-based companies developing oil and gas resources in the area.
Australia's permanent mission rejected the Chinese Communist Party's claim to disputed islands in the crucial trading waters, calling them 'inconsistent' with international law.
Chinese Foreign Ministry spokesman Zhao Lijian disputed the US assertions that China has come up with its nine-dashed line in the SCS in 2009 to beef up its claims.
'No historic rights' over South China Sea: Philippines calls on China to comply with 2016 arbitral ruling
In its ruling, it also said that China has interfered with traditional Philippine fishing rights at Scarborough Shoal, even as Beijing claimed historic rights to the waters under the nine-dash line.