Russia will hand over the much-delayed INS Vikramaditya aircraft carrier to India in November, giving the country's navy a strategic advantage in the Indian Ocean region.
The Indian Navy is fully capable of defending the nation against any form of threat, Sitharaman said.
Defence Minister A K Antony will on Monday inaugurate an airbase in Thanjavur to house squadron of IAFs lethal Su-30 MKI combat aircraft, making it the first fighter squadron in south India that will help maintain vigil over the Indian Ocean region.
In a tweet, before leaving for New Delhi, Rajapaksa said he was looking forward to strengthening bilateral relations with India.
India on Wednesdy said there was no likelihood of tsunami tidal waves being formed anywhere in the Indian Ocean region after an earthquake of 8.9 magnitude hit waters off western coast of northern Sumatra in Indonesia.
Russia made the commitment during the meeting between defence minister Rajnath Singh and his Russian counterpart Gen Sergey Shoigu in Moscow, sources said.
India, Japan and the US are set to focus on "anti-submarine warfare" by deploying "different machines" during the next round of their marine wargames named the Malabar Exercise, amidst increasing presence of Chinese underwater vessels in the strategic Indian Ocean region.
Terming the proposed induction of two nuclear submarines into the Indian Navy as a "cause of great concern", Pakistan has said it is taking "necessary measures" to restore the strategic balance in the emerging situation.
The five-day exercise will see the participation of Seychelles and Mauritius for the first time in the event where nine countries, including India, will field their warships, Navy officials said in New Delhi.
The United States is investing in long-term strategic partnership with India, the Pentagon on Thursday said in a new defence strategic document which puts Asia on a bigger priority and identifies China as a security threat.
China has obtained approval to explore a 10,000 sq km polymetallic sulphide ore deposit in an international seabed region in the Indian Ocean, much to the disquiet of India. The China Ocean Mineral Resources Research and Development Association in a statement on Tuesday night said that its application for the exploration of the southwest Indian Ocean region was recently approved by the International Seabed Authority.
Admiral Vladimir Sergeevich Vysotskiy, Commander-in-Chief of the Russian Navy, is in India on a three-day visit from January 17 -19 at the invitation of his Indian counterpart Admiral Nirmal Verma.
It is the first-ever visit by a head of the Indian Army to South Korea.
'As far as acquisition of Russian equipment is concerned, with about 70% of Indian military equipment being of Russian origin, a sudden decision to abandon imports from Russia is not feasible,' points out Brigadier S K Chatterji (retd).
He suggested that the new structures will emerge within one year's time.
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.
The Chinese ministry of defence in Beijing has said that the Indian Ocean cannot be a backyard of India, which naval forces from other countries could not visit.
The United States on Friday said China's aggressive posturing over territorial claims in the Pacific and Indian Ocean regions was a matter of concern that America shared with India.
Taking a dig at China, Defence Minister Rajnath Singh on Sunday said 'some irresponsible nations' with their narrow partisan interests and hegemonic tendencies are coming up with wrong definitions of the UN Convention on the Law of the Sea.
India has the ability in all respects to be a great power and address our security challenges in the best national interests, says Commodore Venugopal Menon (retd).
The navies of India and Indonesia are launching the 14th coordinated patrolling on the waters of Indian Ocean, to prevent piracy, armed robberies, poaching, illegal immigration, drug trafficking, and other illegal activities in the deep sea.
Exercise Milan, the largest four-day naval war game hosted by India started on Friday with the participation of 12 navies of the Asia-Pacific region within the context of the Indian Navy's 'Look East' policy and naval interactions to this effect.
China was a major focus during talks between United States Defence Secretary Robert Gates and Indian political leadership during his two-day visit.
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.
India's national security strategy needs to be revised periodically since the global and regional geopolitical situation is dynamic, points out Commodore Venugopal Menon (retd).
India has got cracking into setting up its eyes and ears in the Indian Ocean
Boeing's confirmation that the Super Hornet has flown off a ski-jump is a statement that it is ready to operate off existing Indian aircraft carriers.
'A strong positive relationship with India is essential to achieving long-term US goals such as regional security and stability, reduced tensions with Pakistan, and wide-ranging cooperation to counter extremism,' Admiral Robert Willard, said in his confirmation hearing for Commander of US Pacific Command.
Indian Ambassador to the United States Ronen Sen has said that India is seriously concerned about the maritime challenges posed by piracy, terrorism and trafficking of narcotics, arms and human beings in the Indian Ocean region, where it has the vital stakes in the security and stability of the region.
"The frontier of space, which includes utilisation of satellites, will continue to be a growing area of warfare. India has stated in the past that it is against militarization of space. But space assets have to be utilised in warfare in the years to come and we are also preparing for it to take adequate counter measures," Raju said.
"Whatever we are doing is in close coordination and synergy with the army and the Indian Air Force to produce desired results," he said.
The agreement provides for creation of an enabling framework for closer cooperation and interoperability, besides allowing militaries of the two countries to use each other's bases and facilities for repair and replenishment of supplies, the official said.
'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'
The defence ministry has already shortlisted two Indian shipyards and five foreign defence majors for the project, being billed as one of biggest "Make in India" ventures.
The mechanism will serve as a platform among the Indian Ocean Rim countries to have regular dialogue and exchange of information for ensuring safety of ships and maritime resources. "It is an initiative to ensure peace, security and economic propriety in the region," said Navy Chief Admiral Sureesh Mehta.
In his address, the prime minister said the Indian Ocean, spanning 28 million sq km, was a host to a third of the world population and accounted for 40 per cent of the energy sources.
The naval chief told his top commanders that efforts should be to make the navy an operationally focused force capable of dealing with changing environment of the 21st century.
Admiral Philips Davidson, Commander of the US Indo-Pacific Command, also told the powerful Senate Armed Services Committee on Tuesday that China's recent activities along the Line of Actual Control have opened India's eyes to what cooperative effort with others might mean for their own defensive needs as he observed that New Delhi, in the very near term, will deepen its engagement with the Quad.
India's decision to heed to Australia's request to be part of the mega naval drill comes in the midst of growing strain in ties with China over the border row in eastern Ladakh.
'Areas where we are seeking increased co-operation are in low-level military exercises and professional exchanges in niche areas like flying instructor training, clearance diving and (maritime) passage exercises,' she said.