Hydrography (underwater geography) prevents the Indian Navy for opting for an all-conventional, or all-nuclear submarine fleet.
The aircraft has to fly through five consecutive days.
We invited readers to send in their interesting summer snapshots. Here are some more responses -- and you can share yours too!
'2020 will show whether India's troubled domestic economic and political house reveals a mismatch in their strategic association or whether closer strategic ties are yet possible,' says Anita Inder Singh.
Triumphalism, premature declaration of victory meant no one checked if India had enough vaccines, oxygen, remdesivir, bringing us back to a crisis where we need foreign aid after four decades, asserts Shekhar Gupta.
Bhakti Sharma set a world record on January 10 this year.
Both India and China should respect each other and resolve issues through dialogues and join hands together for peace and prosperity, Sitharaman said.
'We must be careful because China has not given its design in Eastern Ladakh.'
'Like Nehru, too, Modi has found dealing with Beijing more and more difficult and has adopted an increasingly assertive approach towards managing India's northern neighbour.'
China's President Xi Jinping congratulated scientists on the complete success of the Chang'e-5 mission.
'We've never really been in the situation of having a difficult time with the Chinese and an increasingly difficult time with the Russians along with a relationship with the Americans which is important.'
In the case of India, there are no specific references in China's white paper. However, there are several takeaways for India, says Srikanth Kondapalli.
"Built on what was a series of islands, the city's historic downtown core is particularly vulnerable," the NYT said.
A number of other frontline ships, submarines and fighter jets of the three countries will be part of the over week-long drill in the Bay of Bengal which is taking place in the backdrop of a major military face-off between armies of India and China in the Sikkim section.
In the opinion piece after the summit, the leaders said the cooperation, known as "the Quad," was born in crisis. It became a diplomatic dialogue in 2007 and was reborn in 2017.
Addressing a joint media event with Macron, Modi said the two countries have robust cooperation in the fields of defence and security.
Three Chinese astronauts on Thursday entered the country's new space station after their spaceship successfully docked with it, just over seven hours after the launch from the Gobi Desert, in a major milestone for the Communist giant's space exploration plans and its bid to become a leading space power.
The above map shows the country wise temperature change from 1990 to 2017 in Fahrenheit.
'If the Chinese intent is to be gauged based on its aggression in the South China Sea, greater forays in the Indian Ocean, a hawk's attitude towards Taiwan, flying its fighters repeatedly over the Senkaku islands in the East China Sea and creating strategic assets globally, there would be a requirement for strategic partnerships for India,' says Brigadier S K Chatterji (retd).
If the finance minister's tax proposals have stimulated demand at all, it's for CAs, notes Kanika Datta.
American help in defending our independence will send a strong signal to the Chinese, argues Colonel Anil A Athale (retd).
US Secretary of State Micheal Pompeo and Secretary of Defence James Mattis will travel to New Delhi next month for the 2+2 dialogue.
Sports Minister Kiren Rijiju on Saturday donated a month's salary over and above Prime Minister Narendra Modi's directive to all BJP MPs to contribute Rs one crore from MPLAD funds in the country's fight against COVID-19 pandemic.
There is no conceivable reason for any big power to put road blocks on the path of an India-Pakistan normalisation process, asserts Ambassador M K Bhadrakumar.
She loves to dive naked with stingrays underwater.
Ahead of the International Fleet Review being held in Vizag, Naval chief Admiral RK Dhowan spoke of the changing perception of the navy and the many challenges it faces.
Indians at large harbour a notion that their country is cherrypicking out of the American basket of goodies, but the policymakers in Delhi and the political leadership are well aware that it can only be a pipe dream since a military alliance with a superpower is a profound irrevocable commitment, observes Ambassador M K Bhadrakumar.
'There is no Buddha or Gandhi among countries, existing for the service of others; they all exist for the good of themselves.' 'For each country, its own interests should be paramount, and it is futile and churlish to expect China to be an exception to this rule,' says B S Raghavan, the distinguished civil servant and long-time China-watcher.
'Space is dangerous and there will be many failed attempts as we try to use mankind's ingenuity to take the next evolutionary step.'
'Movement of naval forces at sea is often more than just perfunctory deployment -- reading the messages that they send is important,' alerts Vice Admiral Premvir Das (retd).
'If there is one certainty in this visit, it is that Trump does not follow a script. He is unpredictable,' highlights Ambassador B S Prakash.
An MIT doctoral candidate in mechanical and ocean engineering from India Vikas Jhingran has won the first place in the Toastmasters International World Championship of Public Speaking, known as the Olympics of Public Speaking.
The Wednesday talks took place amid a war of words between the two sides on perception of the LAC, the de-facto Sino-India border spanning a length of nearly 3,500 km.
'Notwithstanding the realisation among the Indian leadership to build up its navy for the force's expanding role, the Indian Navy was allocated only 15% of the interim defence budget presented in Parliament in February 2019.' 'The outlay for the navy's capital acquisition is not even adequate to meet its committed liabilities,' points out Brigadier S K Chatterji (retd).
It currently has between 140 and 150 nuclear weapons in its control and stockpiled around 200 to 300 kilogram of plutonium.
Vivek Agarwal, founder of OOKIOH tells Rediff how he is making swimsuits that look good and feel great too.
Since 2016, when India was officially recognised in US law as a 'major defence partner', Washington has purposefully upgraded the defence relationship.
The United States, he said, 'desires a new age of ambition' in its relationship with India. Asserting that the US has never been more supportive of India's security, he said New Delhi too, is an important partner and a key pillar of President Trump's foreign policy.
The bogey of the 1962 defeat must be laid to rest with a finality that is unquestionable. The myth of Chinese invincibility is a tall tale that belongs to an era gone by, says Vivek Gumaste.
"Indian-Americans are an 'organic bridge' between the world's two largest democracies," he said.