India has expressed concern to the United States that it is being used to export fuel made from Russian crude to New York through high-seas transfers to hide its origin, a top Indian central banker said on Saturday.

Deputy Governor Michael Patra of the Reserve Bank of India said an Indian ship picked up oil from a Russian tanker on the high seas. It brought it to a Gujarat port for refinement and shipping.

Russian-origin energy products, including crude oil, refined fuels, distillates, coal, and gas, are prohibited from being imported to the United States due to U.S. sanctions against Moscow for its invasion of Ukraine in February.

“The refined output was put back on that ship and it set sail without a destination. In the mid-seas it received the destination so it reached at its course, went to New York,” Patra said at an event to celebrate 75 years of India’s independence.

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