Trump made his comments before leaving the G7 summit in La Malbaie, Que. early Saturday - skipping an afternoon working group discussion on climate change, energy and protection the world's oceans - where trade issues have dominated the agenda due to a protectionist push by the Trump administration.
Calling Modi a "beautiful man", Trump said he was informed of reduction in tariffs on imported motorcycles by the Indian PM but the U.S. was getting nothing with the cuts in the customs duty.
"Our Tariffs are in response to his of 270% on dairy!" the USA president tweeted.
He continued: "What we did this weekend was come together and roll up our sleeves and figure out consensus language that we could all agree to on a broad range of issues".
"He can take that nation and truly make it a great nation so it is a one-time shot and I think it is going to work out very well", Mr. Trump said.
Still, Trudeau also gave an account of his discussions with the US president.
Trump also said Trudeau was being "indignant" about the cross-border trade relationship.
May unveils backstop plan for the Irish border after Brexit
It followed speculation he was ready to quit the government over the details of the backstop Northern Ireland border proposal. The EU's chief negotiator Michel Barnier welcomed the publication of the paper.
Trump took the action on the grounds that weak domestic industries could affect USA national security.
President Donald Trump, whose tariff fight is overtaking the Group of Seven leaders' meeting, renewed his threats to scrap the North American Free Trade Agreement and pursue separate deals with Canada and Mexico.
While the two men have had several seemingly congenial meetings and phone calls since Trump took office, they could not be more different in terms of policy, with Trudeau a progressive liberal, outspoken on feminism and the merits of diversity and who was close to former president Barack Obama.
At a gathering of governors of all the states at the White House, Trump said: "Now, the prime minister, who I think is a fantastic man, called me the other day and said we are lowering it to 50%". Trump said he had not spoken with Russian President Vladimir Putin in a while.
The US president signaled that he was in no mood to compromise as he met Japanese Prime Minister Shinzo Abe. Macron said Thursday on Twitter, "The American President may not mind being isolated, but neither do we mind signing a 6 country agreement if need be". "As Canadians, we are polite, we're reasonable, but also we will not be pushed around".
"We stick to the communique as agreed by all participants", a European official said on condition of anonymity.
US President Donald Trump speaks to members of the media before boarding Marine One on the South Lawn of the White House in Washington, DC, on Friday, June 8, 2018.
In response Canada implemented retaliatory tariffs on USA goods.
Trump said he pushed for the elimination of trade barriers, including subsidies and tariffs, at the G-7 meeting. The United States trade representative office told the Washington Post that the US actually has a trade surplus with Canada. Canadian officials explained that the United States and Japan did not sign on because they did not want to commit to firm targets to reduce plastics.