The White House said last week that Pence and Modi would discuss the India-US defence cooperation and the bilateral relationship during their meeting in Singapore. "We believe that the summit will likely occur after the 1st of the year but the when and the where of that is still being worked out", Pence told reporters after meeting South Korean President Moon Jae-in.
Giving details of the meeting, foreign secretary Vijay Gokhale told reporters that Mr Modi also hoped the United States would take into account the rich contribution of Indian-Americans in every sphere while deciding on the H-1B visa issue.
The Center for Strategic and International Studies states, "North Korea's decommissioning of the Sohae satellite launch facility, while gaining much media attention, obscures the military threat to USA forces and South Korea from this and other undeclared ballistic missile bases". "We expressed our readiness to import more oil and gas from the USA as a way of expanding our trade", he said.
The Indo-Pacific region also came up during the discussion on Wednesday between Prime Minister Modi and US Vice President Mike Pence.
USA officials have said sanctions forced North Korea to the negotiating table and vowed to keep pressure until complete denuclearisation.
China's President Xi Jinping will be at the APEC meeting in Port Moresby, in a move being interpreted as an indication of the growing importance of the South Pacific to China's geopolitical aims.
Washington will maintain its pressure on Pyongyang by not lifting its sanctions, Pence added.
It has also called for sanctions to be eased as a reward for coming to the table, warning Washington's stance is undermining confidence.
The Association of Southeast Asian Nations (ASEAN) is a regional intergovernmental organisation comprising 10 Southeast Asian countries, which promotes intergovernmental cooperation and facilitates economic, political, security, military, educational, and socio-cultural integration among its members and other Asian states.
"He urged ASEAN countries to collaborate on concrete measures such as ship-to-ship transfer of prohibited materials, including fuel", said foreign ministry spokesman Takeshi Osuga.
The vice president also highlighted the United States' "pressure campaign" on North Korea, its "commitment to uphold the freedom of the seas and skies" and determination to ensure that Southeast Asian nations are secure in their sovereign borders, on land, and at sea in the digital world.
Pence spoke of a free and open Indo-Pacific.
But with the USA retreating behind protectionism under the Trump administration, China has stepped into the space it has vacated as the champion of global free trade.
"We are very close to the finish line", Singapore Prime Minister Lee Hsieng Loong said in a closing speech of the 16-nation deal, which also includes India, Japan and Australia.