New Delhi, June 11 -- The latest round of India-US trade negotiations in person concluded in New Delhi on Tuesday with progress on multiple fronts but without significant breakthrough on tariff issues, people aware of the matter told HT, identifying recent "protectionist" measures by Washington to slap 50% duties on steel and aluminium and its stance on the 10% baseline tariff on all imports as hurdles. The extended six-day negotiation round highlighted the complex nature of the discussions as both countries race to reach an agreement before the July 9 deadline when additional US tariffs are set to take effect.P13...