India, Jan. 9 -- President Donald Trump has ordered the United States to withdraw from more than 60 international organisations, including several United Nations bodies and the India-France-led International Solar Alliance (ISA), in a sweeping move that marks a sharp escalation in his administration's "America First" foreign policy approach.

Trump signed a memorandum on Wednesday directing the US Government to exit 66 international institutions that he said no longer align with American interests. The directive covers 31 UN entities and 35 non-UN organisations that, according to the White House, operate in ways that undermine US sovereignty, security, or economic priorities.

Following the signing, Trump said continued membership or fina...