Despite decades of distrust, India has become increasingly receptive to overtures from China. NEW DELHI — Longtime adversaries India and China, concerned by President Donald Trump’s disorienting early moves in trade and diplomacy, are testing a fragile thaw in relations.

Air India Ltd is looking to take Boeing Co planes rejected by Chinese carriers, people familiar with the matter said, joining the ranks of Asian airlines vying to benefit from the trade war between Washington and Beijing.