New Delhi - At a time when India and the U.S. are in talks over a trade deal, fresh tensions have emerged as India has notified the World Trade Organisation of its proposal to impose tariffs on $7.6 billion worth of imports from the U.S. in retaliation for that country raising its import duties on steel and aluminium to 25%.

According to a communication from the WTO, India’s reciprocal measures could kick in 30 days from the date it sent its notification to the WTO — May 9. The WTO said it . . .