Chandigarh, Aug. 9 -- The 50% tariff imposed by the Donald Trump administration has left Punjab and Haryana basmati growers and exporters deeply worried, fearing severe impact on aromatic grain exports to the US as neighbouring Pakistan gains a significant competitive advantage. The punitive tariff rate - among the highest imposed on any US trading partner - stems from Trump's August 7 executive order adding a 25% penalty for India's Russian oil purchases on top of an existing 25% reciprocal tariff, with the combined levy taking effect August 28. "It's a double whammy," said Ranjit Singh Jossan, vice-president of the basmati exporters association, explaining that India exports nearly 300,000 tonnes (worth $350 million) to the US annually an...