We do not know, because there has been no discussion, no transparency and most likely no real thinking on this matter at our end, observes Aakar Patel.
'After many rudderless years, India and Japan have prime ministers with a sense of purpose and direction,' says Brahma Chellaney.
'Singh apprised the Japanese leaders about Islamabad's 'evil design' on Kashmir at a time when Pakistan has decided to internationalise the issue.'
With the signing of the pact, the Quad grouping of India, Japan, Australia and the US is set to gain more heft now, notes Dr Rajaram Panda.
Modi will host dinner for Abe at a hotel in the old city area.
The deal would allow Japan to export nuclear technology to India.
Here are top quotes of PM Modi, Japan's Shinzo Abe at bullet train launch.
China sees India and Japan's 'North East Road Network Connectivity Improvement Project' as a challenge to its OBOR, says Rajaram Panda.
India and Japan have a shared interest in countervailing China's hegemonic ambitions in Asia. Although neither has an interest in forming an overt anti-China alliance, Tokyo and New Delhi feel increasingly obligated to work together to find ways to guard against a muscular Beijing's power sliding into arrogance, says Brahma Chellaney.
External Affairs Minister S Jaishankar said on Friday that India and China are going through a 'particularly bad patch' in their ties because Beijing has taken a set of actions in violation of agreements for which it still doesn't have a 'credible explanation' and it is for the Chinese leadership to answer where they want to take the bilateral relationship.
Earlier, Modi met Jinping seperately and the two leaders concurred there had been a perceptible improvement in bilateral relations.
Prime Minister Narendra Modi's visit to South Korea is considered essential in strengthening defence ties, enhancing economic cooperation and forging cultural ties between the two countries, says Dr Rahul Mishra
'Many said his visit was very risky. But mercifully, Air Force One has taken off from Delhi without Mr Trump stepping on anybody's toes,' notes Ambassador T P Sreenivasan.
'Our equations with China require engagement and not confrontation; its interfaces with Pakistan and with some other South Asian neighbours also add to the complexities,' says Vice Admiral Premvir Das (retd).
'By lifting his visit to vibrant new functional and emotional planes, Modi saved it from looking like a mere obligatory give-and-take. This is no mean achievement. With his penchant for execution, he must fast track action on the proposals agreed upon, so that the fine print matches the hype,' says B S Raghavan.
We must see New Delhi's position as a signal of competition to the Chinese grand design for the 21st century world, says Nitin Pai.
