India, Sept. 18 -- US President Donald Trump has named India, Pakistan, China and Afghanistan among 23 nations designated as "major drug transit or major illicit drug producing countries," warning that the production and trafficking of narcotics and precursor chemicals from these countries threatens the safety of the United States and its citizens.

In a "Presidential Determination" submitted to Congress on Monday, Trump said the list, known in Washington as the "Major's List", identifies countries that are either primary sources or key transit points for illicit drugs entering the United States.

The nations named are Afghanistan, The Bahamas, Belize, Bolivia, Burma, China, Colombia, Costa Rica, the Dominican Republic, Ecuador, El Salvad...