On the ultimate night time of his go to to Washington in late June, after 15 standing ovations in Congress and an opulent White House dinner tailor-made to his vegetarian tastes, Prime Minister Narendra Modi of India set time apart to courtroom and be cheered by one other necessary constituency: the Indian diaspora.

Backstage on the Kennedy Center, as enterprise leaders in bespoke fits and positive silk saris filtered right into a 1,200-seat theater, Mr. Modi met with a handful of entrepreneurs. Most have been younger, educated in India, made wealthy in America, and keen to attach with the person who presents himself as a guru to the world, preaching how that is “the century of India.”

“Thank you for lifting the image and spirits of Indian Americans,” Umesh Sachdev, 37, instructed the prime minister, explaining that he was the founding father of Uniphore, a synthetic intelligence enterprise valued at $2.5 billion, with workplaces in India and California. Mr. Modi tapped Mr. Sachdev’s shoulder and exclaimed “waah,” or wow in Hindi.

With an emphasis on nationwide satisfaction, Mr. Modi and his conservative Hindu-first Bharatiya Janata Party have cultivated a surprisingly sturdy relationship with India’s profitable diaspora. The bond has been strengthened by a world political machine, supercharged underneath Mr. Modi with occasion workplaces in dozens of nations and hundreds of volunteers. And it has allowed Mr. Modi to fuse his personal picture — and his rubric of elevating India — with famous person executives and highly effective, typically extra liberal constituencies within the United States, Britain, Australia and lots of different nations.

No different world chief appears to attract such a gentle movement of diaspora welcome events, most just lately in Paris, New York and Cairo, or large audiences, together with 20,000 fans at a rally in Australia in May. Mr. Modi was in France on Friday because the visitor of honor on the annual Bastille Day parade, and with elections subsequent 12 months in India, the sample has been set.

“The B.J.P. leadership wants to show its strength abroad, to create strength at home,” stated Sameer Lalwani, a senior professional on South Asia on the U.S. Institute of Peace.

But in some corners of the diaspora, strains are rising. Many Indian professionals who cheer when Mr. Modi boasts that India has change into the world’s fifth-largest financial system — who gush about new infrastructure and extra fashionable cities — additionally concern that his authorities’s Hindu-supremacist insurance policies and rising intolerance of scrutiny will hold India from really standing as a superpower and democratic various to China.

Vinod Khosla, a outstanding Silicon Valley investor, who has typically pushed for closer U.S.-India relations, stated in an interview that India’s best danger is a disruption to financial progress from the instability and inequality infected by Hindu nationalism. Others fear that Mr. Modi, in a bubble of political superstar and non secular certitude, is ignoring the fragility of constructive momentum in a fancy, numerous and unstable nation of 1.4 billion individuals.

“The demographics only work for India if there is progressivism and inclusion,” stated Arun Subramony, a personal fairness banker in Washington with digital, well being and different investments in India. “The party has to make an extra effort to make clear that India is for everyone.”

Techno-Utopian Dreams

The bond between the diaspora and the B.J.P. started with pragmatism — and with the primary B.J.P. prime minister, Atal Bihari Vajpayee, who promoted info know-how as the answer to India’s improvement issues within the late Nineties.

Kanwal Rekhi, the primary Indian American to take an organization public on the Nasdaq, heard Mr. Vajpayee’s speeches and thought: This man will get it. He requested for a gathering and arrived in New Delhi in April 2000, main a bunch known as The IndUS Entrepreneurs, or TiE.

At the prime minister’s residence, there have been paratroopers on the roof and tanks close by, vestiges of a latest battle with Pakistan. Mr. Rekhi was there promising that entrepreneurship might bridge divides — India and Pakistan, Muslims and Hindus. Mr. Vajpayee welcomed their techno-utopianism.

“He asked: ‘What is your sense of India and Indians?’ Then he said, ‘Our future is very bright, and you need to show us the way,’” Mr. Rekhi stated in an interview.

So started a relationship with the diaspora that reversed many years of rancor, when those that left with college levels have been seen as traitors to India’s wants. Once Mr. Vajpayee made clear that he noticed Indians abroad as guides and consultants, that’s what they grew to become.

TiE made a number of suggestions, bolstered by Stanford professors, and Mr. Vajpayee adopted their recommendations. In 2001, for instance, his authorities loosened its monopoly on web infrastructure, permitting extra non-public competitors.

Naren Bakshi, one other tech government within the conferences, recalled that Mr. Vajpayee insisted that the diaspora additionally play a direct position.

“If you care for India,” he instructed them, “come to India.”

Mr. Bakshi purchased a house close to the place he had grown up within the state of Rajasthan, and he has spent 4 months a 12 months in India ever since.

In the early 2000s, he additionally helped discovered the India Community Center in Milpitas, Calif., a sprawling complicated in a South Asian suburb of San Jose that has change into a hub for yoga, Muslim and Hindu holidays, weddings — and, more and more, conferences with visiting Indian officers.

“People here are very much involved,” Raj Desai, the middle’s president, stated over tea one latest morning.

In Silicon Valley and elsewhere, Overseas Friends of the B.J.P., the occasion’s worldwide arm, has change into a longtime presence. Helping with immigration points and different challenges, its members complement and compete with India’s understaffed corps of round 950 overseas service officers — a fraction of the roughly 16,000 who work for the United States.

Last 12 months — regardless that voting in India’s elections should be carried out in particular person — the B.J.P. sponsored occasions with occasion officers in Texas, New Jersey, Washington, D.C., and North Carolina, in addition to a number of occasions on the India Community Center in California, in response to its necessary registration filings as a overseas agent.

Visiting officers additionally deliver collectively smaller teams for dinners and dialogue. Mr. Sachdev, the Uniphore chief government, stated he had gone to a number of such gatherings, including that the conversations centered on enterprise coverage greater than politics.

He and different attendees stated that they had by no means been requested to contribute to B.J.P. campaigns.

But political scientists imagine that the B.J.P. and Hindu organizations draw a big movement of cash from the diaspora. In 2018, Mr. Modi’s authorities rushed by way of Parliament a law permitting Indians residing overseas and overseas firms with subsidiaries in India to make undisclosed political donations. Spending on India’s 2019 marketing campaign topped $8 billion, making it the most expensive election in the world.

“There’s an absence of transparency, and it’s by design,” stated Gilles Verniers, a senior fellow on the Center for Policy Research in New Delhi.

In the United States, the B.J.P. registered its presence — a requirement for any overseas political occasion — solely after questions have been raised concerning the financing of an enormous “Howdy Modi” celebration in 2019 in Houston with President Donald J. Trump.

In Australia, the group nonetheless doesn’t seem within the overseas transparency register, regardless of the prices related to Mr. Modi’s rally in May at Sydney’s Qudos Bank Arena, the place a whole bunch of individuals lined up exterior for selfies with twin Modi cardboard cutouts framing an enormous signal with “We ❤️ Modi” in vibrant white lights.

“He’s the leader of the century,” stated Meera Rawat, after snapping a photograph with one of many cardboard Modis.

Her group had reached Sydney on a bus chartered by a neighborhood B.J.P. chapter. Several flights have been additionally chartered by the occasion.

Asked concerning the course of, B.J.P. officers in Australia stated the whole lot was “fully funded by the local Indian community and businesses.”

Albel Singh Kang, secretary of the Australian Sikh Association, stated his group had initially been recruited for the occasion. When organizers declined to establish its funders, he handed. Indian Muslim leaders additionally stayed away, noting that members of Mr. Modi’s occasion have called for Muslims to be murdered — with out sturdy condemnation from the prime minister.

Pushing for Change

Many Indians abroad fret about bloodshed in India, the place non secular minorities make up 20 % of the inhabitants, and the place Hindu mobs are usually accused of lynching people, mostly Muslims, for his or her meals, model of gown, or interfaith marriages. But India’s emigrant households additionally fear about violence leeching into the nations the place they’ve moved.

In 2021, males armed with bats and hammers attacked 4 Sikh college students in a automotive in Sydney. After one of many males served a six-month sentence, he returned to India, the place he obtained a hero’s welcome. Tensions among Indian immigrants in Britain, Canada and the United States have additionally been rising lately, together with vandalism and threats.

“The fact is, there are divisions within India, and they are bound to express themselves because politics doesn’t stop at the national shores,” stated C. Raja Mohan, a senior fellow with the Asia Society Policy Institute in Delhi.

Rising concerns about polarization are sometimes neglected amid the Modi pageantry. At the diaspora occasion in Sydney, Australia’s prime minister, Anthony Albanese, in contrast Mr. Modi to Bruce Springsteen, calling India’s chief “The Boss,” to large cheers.

In Washington, the place 7,000 Indian Americans joined him in an exuberant celebration on the White House garden, Mr. Modi stated at a information convention that discrimination in opposition to minorities didn’t exist underneath his authorities. A number of hours later, human rights activists gathered exterior the gate, together with Muslims who had fled to the United States after going through persecution in India. The TV crews had already moved on.

Behind the scenes, American officers say there was extra nudging of Mr. Modi.

Ro Khanna, co-chair of the Congressional Caucus on India and Indian Americans, who represents the district that features the India Community Center, stated that he had spoken to Mr. Modi concerning the significance of pluralism.

“I want us to be very much focused on strengthening the U.S.-India relationship under the principle of India’s founding and our founding,” Mr. Khanna stated, “and not a celebration of any particular individual.”

Some enterprise leaders say that Mr. Modi deserves their unflagging help. “What’s important to me is, has he been able to put India on a trajectory of growth and global leadership?” stated Mr. Sachdev of Uniphore. The United Nations recently reported that India’s financial system had lifted 415 million individuals out of poverty prior to now 15 years.

Others have began mixing reward with pragmatic concern. Mr. Khosla, the outstanding investor, stated it was time to acknowledge that the federal government’s favoring of Hindus “can take attention off the principal path of economic progress, and set it back, and set back global relationships.”

Even in Washington’s supportive diaspora crowds, there was a mix of satisfaction and appeals for moderation, for equal alternative and constructive critique.

Mr. Subramony, the non-public fairness banker, stated he grew up in southern India with out common water or electrical energy, in a compound of 10 households working towards 4 completely different religions. He known as Mr. Modi “a very quick learner” who would hopefully defend India’s extra tolerant values.

“It’s also our responsibility, the people who are feeding Modi, who are being inspired by what is going on in India,” he stated. “It is our duty to make him change.”

Sonia Paul contributed reporting from Santa Clara, Calif., and Karan Deep Singh from New Delhi.