By Neha Arora (Reuters) -Indian metals-to-oil conglomerate Vedanta said on Wednesday that U.S. President Donald Trump's doubling of aluminium tariffs to 50% poses a threat to the Indian industry already struggling with surging imports.

As US and Indian teams meet to negotiate a trade agreement, India closely monitors the legal challenges to Trump's tariffs and concessions offered to other nations. India aims to secure the best market access for its companies,

"Strongly regret," and "unfair" were some of the reactions from trade partners around the world as the U.S. doubles tariffs on steel imports.