The United States, Australia, India and Japan recommitted to working together on Tuesday, after the first meeting of the China-focused "Quad" grouping's top diplomats since President Donald Trump returned to the White House.

On his first full day as secretary of state, Marco Rubio is meeting with his counterparts from a group of countries known as the Quad: the United States plus India, Japan and Australia, representing nearly 2 billion people and more than a third of global GDP.

Secretary of State Marco Rubio is meeting with his counterparts from Australia, India and Japan as the Trump administration kicks off its formal foreign policy engagements in discussions with the Indo-Pacific “Quad.

External affairs minister Dr S Jaishankar met US Secretary of State Marco Rubio in Washington on Wednesday, marking the latter's first bilateral engag.