India, May 26 -- The Quad grouping of India, the US, Australia and Japan on Tuesday expanded cooperation in critical minerals and energy while unveiling new measures to boost maritime surveillance and port infrastructure across the Indo-Pacific, with external affairs minister (EAM) S Jaishankar calling the meeting "productive".

The grouping's foreign ministers met in New Delhi, with Jaishankar chairing the meeting.

It was also attended by US Secretary of State Marco Rubio, Australian Foreign Minister Penny Wong and Japanese Foreign Minister Toshimitsu Motegi.

Detailing the takeaways on social media after the meeting, Jaishankar pointed out key decisions finalised by the group. The first of the three is the Indo-Pacific Maritime Surveil...