New Delhi, Sept. 5 -- State-run Indian Oil Corporation (IOC) has opted against buying U.S. crude in its latest tender, instead sourcing 2 million barrels from West Africa and another 1 million barrels from the Middle East.

The Nigerian cargoes were acquired on a free-on-board basis, while the Das consignment was secured on a delivered basis, scheduled to reach Indian ports in late October or early November, it added.

Recently, Indian refiners increased U.S. crude imports due to a favourable arbitrage window, a move that also helped narrow India's ballooning trade surplus with Washington. However, the latest tender reflects a shift.

The recalibration comes as U.S. tariffs on Indian exports have been doubled to 50%, officially linked to ...