India, April 16 -- The US is opposing the Adani Group's attempt to shift cargo carriers to its new airport outside Mumbai, people familiar with the matter said, in a dispute that underscores concerns about the conglomerate's growing control over India's aviation infrastructure. The US Department of Transportation (DoT) wrote to India's aviation ministry in March, arguing that Adani Airport Holdings Ltd's push to relocate freighters-including FedEx Corp-violates the bilateral Air Transport Agreement, the people said, asking not to be identified citing rules. The DoT warned that forcing American carriers to do so could prompt it to consider adverse measures under the treaty. The communication follows Adani's directive to freight operators to ...