Trump also said he is "very disappointed" that India would be buying "so much oil" from Russia.
"So I think what happens is it's all bravado, because you think it feels good to fight with the biggest client in the world, but eventually your businesses are going to say you've got to stop this and go make a deal with America."
India has voiced regret over the Ukraine conflict's 'collateral consequences', including prices of fuel, saying countries of the Global South have been left to fend for themselves, as Delhi underscored that diplomatic efforts hold the promise to end the war and bring lasting peace.
The Trump administration has told the US Supreme Court that it imposed tariffs against India for purchasing Russian energy products as part of its strategy to address the war in Ukraine.
When asked about Putin and North Korean leader Kim Jong Un with Chinese President Xi Jinping at China's military parade and whether he is considering slapping secondary sanctions on Moscow, Trump said, "Well, I've already done that with regard to India, and we're doing it with regard to other things."
An influential US lawmaker claims his visit to India helped catalyze "early signals" that New Delhi may reduce its imports of Russian oil, a step he described as "meaningful" in weakening Moscow's ability to fund its war in Ukraine.
"I understood tariffs better than any human being in the world. And now with my tariffs, they were all dropping them. India was the most highly tariffed nation... And you know what, they've offered me no tariffs in India anymore. No tariffs," Trump said.
China showcased its latest military hardware, including hypersonic and ballistic missiles, during a parade commemorating the 80th anniversary of its victory against Japanese aggression in World War II. President Xi Jinping called for world peace and national rejuvenation.
"India was charging us tremendous tariffs, about the highest in the world," Trump said adding that the US was therefore not doing much business with India.
A US lawmaker and former officials warn that President Trump's policies are damaging the strategic partnership between the United States and India, potentially driving India closer to China and Russia.
Former US National Security Advisor John Bolton says President Trump's policies have damaged US-India relations, pushing New Delhi closer to Russia and China.
Navarro's remarks came after the public display of bonhomie by the three leaders on the sidelines of the Shanghai Cooperation Organisation (SCO) summit in Tianjin on Monday.
He added that India sells to the US, its biggest "client", "massive" amounts of goods, "but we sell them very little - Until now a totally one sided relationship, and it has been for many decades."
A senior Chinese Communist Party official stated that the meeting between Prime Minister Narendra Modi and President Xi Jinping was fruitful, leading to a new consensus on developing bilateral relations. Both countries aim to enhance cooperation and manage differences.
Chinese President Xi Jinping told Prime Minister Narendra Modi that India and China should approach their relations from a "strategic" and "long-term perspective" during their talks in Tianjin. Xi also emphasized upholding multilateralism and working towards a multipolar world.
Amid trade tensions between Delhi and Washington, the NYT article gives an account of how relations between Trump and Modi "unraveled" after Trump's repeated claims of solving the four-day conflict in May between India and Pakistan, an assertion denied by India.
Prime Minister Narendra Modi and Chinese President Xi Jinping are expected to hold bilateral meetings on the sidelines of the SCO summit in Tianjin, as both nations look to strengthen ties amid global trade tensions.
Former White House trade advisor Peter Navarro accuses India of being an 'oil money laundromat' for Russia, alleging that India's oil purchases are funding Putin's war in Ukraine. The accusations come amid existing trade tensions and tariffs imposed by the US.
Twenty-six foreign leaders, including Vladimir Putin and Kim Jong Un, will attend China's V-Day commemorations on September 3. Japan has expressed concerns about the event's anti-Japanese overtones.
The Trump administration is proposing to limit the duration of visas for foreign students and media personnel in the US, potentially impacting their ability to stay in the country.