Modi will also meet Chinese President Xi on the sidelines of the summit. It would be their fourth meeting in last seven months.
China's aggressive posturing over maritime boundaries has caused East Asian countries to look at other powers for support.
In the wake of the United States forging alliances in the region, China has softened its stand on the South China Sea disputes saying that it is ready to explore solutions with the countries involved under reasonable conditions.
It is the first-ever visit by a head of the Indian Army to South Korea.
'Under General Secretary of the Chinese Communist Party (CCP) Xi Jinping, Beijing has stepped up its aggressive foreign policy toward New Delhi. Since 2013, China has engaged in five major altercations with India along the Line of Actual Control (LAC),' said a brief issued by US-China Economic and Security Review Commission.
India is right to forcefully reject Chinese claims of sovereignty over the entire South China Sea. It should now build credible strategic partnerships with other regional states so as to prevent a Chinese regional dominance, says Harsh V Pant.
Taking strong exception to India going ahead with the oil exploration programme in the blocks claimed by Vietnam in the South China Sea, China on Monday raised its pitch saying any exploration activity in its coast would amount to "infringement" of its sovereignty.
A Chinese warship confronted an Indian naval vessel shortly after it left Vietnamese waters in late July in the first such reported encounter between the navy's of the two countries in the disputed South China Sea.
China's Navy wants to join hands with India to maintain security of the Indian Ocean
The Southeast Asian nation has been focusing on modernising its military in the face of myriad security challenges as well as decades-long territorial disputes with China in the South China Sea.
Trump tweeted, hours after Pentagon announced it had reached an understanding with China for the return of the drone.
Modi will participate in the first-ever trilateral meeting between Japan, America and India and the 2nd Russia, India China trilateral, which is taking place after an interval of 12 years, on Friday.
China has taken a position of non-acceptance and non-participation on the jurisdiction by the International Court of Arbitration in a case the Philippines has brought against China's claims to nearly all of the South China Sea, Abraham Denmark, Deputy Assistant Secretary of Defence for East Asia, told lawmakers at a Congressional hearing.
The Congressman said the Chinese Communist Party has, unfortunately, botched its response to COVID-19, causing tremendous economic uncertainty and a slowdown in China's economy.
Observers say China should re-address its policies towards India or else it will continue to face flare-ups increasing the tensions between the two countries at a time China's increasing tension with the US over Taiwan and the South China Sea besides the downturn in the Chinese economy which is hit hard by the zero-covid policy.
Prime Minister Modi, who is in Japan on a two-day visit to attend a summit of the Quad leaders at the invitation of his Japanese counterpart Fumio Kishida, penned an op-ed on the vibrant relations between India and Japan in the Yomiuri Shimbun.
Chinese observers forecast that whether it is Trump or Biden, they are expected to follow tough and hardline policies towards Beijing as part of US efforts to contain the rise of China.
India will be the most consequential partner for the US in the Indo-Pacific this century, US Defence Secretary Mark Esper said Tuesday ahead of the 2+2 ministerial dialogue between the two countries next week. Esper on Tuesday told a Washington audience that he and the Secretary of State Mike Pompeo would be travelling to New Delhi next week for the 2+2 ministerial with their respective Indian counterparts Defence Minister Rajnath Singh and External Affairs Minister S Jaishankar.
The India-Japan joint naval exercises are a strategic signal for China, observes Dr Rajaram Panda.
The annual threat assessment of the US Intelligence Community released by the Office of Director of National Intelligence (ODNI) also said that the 'expanded military posture by both India and China along the disputed border elevates the risk of armed confrontation between two nuclear powers that might involve direct threats to US persons and interests and calls for US intervention'.
More than India's alignment with the Quad, India's defence cooperation and partnership with the USA is of critical importance, notes Rup Narayan Das.
India, Australia, Japan and the US on Friday pledged to work together for ensuring peace and prosperity of the Indo-Pacific and the world, as top leaders of the Quad grouping announced a slew of new initiatives to take on common challenges, amidst muscle flexing by an assertive China in the strategic region.
Prime Minister Narendra Modi on Thursday described India and America as "natural partners" as he held the first in-person meeting with Vice President Kamala Harris at the White House during which they decided to further cement the Indo-US strategic partnership and discussed global issues of common interest, including threats to democracy and the Indo-Pacific.
United States Secretary of State Antony Blinken has said that he had a productive meeting with visiting External Affairs Minister S Jaishankar during which they discussed the bilateral ties, COVID-19 relief efforts, India-China border situation and Afghanistan and vowed to work together to address areas of shared concern.
Projecting the mining operations as part of China's move to take over Arunachal Pradesh, the report said 'people familiar with the project say the mines are part of an ambitious plan by Beijing to reclaim South Tibet'.
In a boost for the country's surveillance capabilities to monitor activities of both military warships and merchant shipping in the Indian Ocean Region (IOR), the 'Sindhu Netra' satellite developed by a team of young scientists from Defence Research and Development Organisation (DRDO) was successfully deployed in space on Sunday.
Speaking on condition of anonymity, the official asserted that US President Donald Trump, during his presidency, has really strengthened all aspects of the US-India security and defence cooperation to build a comprehensive, enduring and mutually beneficial defence partnership.
The sale of 10 AGM-84L Harpoon Block II air-launched missiles is estimated to cost $92 million (Rs 699 crore), while 16 MK 54 All Up Round Lightweight Torpedoes and three MK 54 Exercise Torpedoes are estimated to cost $63 million (Rs 478.8 crore), the Defence Security Cooperation Agency said on Monday in two separate notifications to the Congress.
A beautiful rendition of 'Vaishnav Jan To Tene Kahiye', a favourite bhajan of Mahatma Gandhi, was sung on the occasion.
Esper said Beijing was trying to use the coronavirus tragedy to their advantage for 'propaganda purposes'.
In the 15-year dataset, the researchers noted an average of 7.8 incursions per year even though the Indian government's estimates are much higher.
It is the country's second aircraft carrier, after the Liaoning, and the first to be made domestically.
Chinese President Xi Jinping has underlined the need for building a combat-ready army and accelerate the building of the theatre joint combat command system, amidst the People's Liberation Army flexing its muscles in the disputed South China Sea.
The navy has significantly expanded its deployment in the Indian Ocean Region deploying a plethora of warships and submarines to create pressure points on China as the maritime space around the Malacca Strait is very critical for its supply chain through sea routes.
The Chinese and American naval warships had a major face-off in the South China sea, with Beijing telling Washington to stop what it called "illegal activities" in the area.
'Sullivan and Jaishankar welcomed the cooperation in recent weeks that resulted in deliveries of over USD 500 million in COVID-19 relief supplies from the US federal and state governments, US companies and private citizens across America for the people of India'
Foreign ministry spokesman said no change in China's position in case of non-NPT countries.
He suggested evolving specific plans for cooperation with the 10-memeber grouping in key areas of maritime security, counter-piracy and humanitarian and disaster relief.
'The world is finally recognising that China is pushing a form of government that many only now are beginning to recognise as problematic'
The President-elect has already infuriated China by talking over phone with the Taiwanese President, the first by a top American leader since 1979.