The reasons behind this sudden move aren't clear, and neither Apple nor Foxconn has made any public statements about it. Foxconn recently invested $1.5 billion to expand its operations in India, and the Indian government also approved plans for a new semiconductor factory,

Apple is one of those companies, having started shifting part of its iPhone production to India four years ago. However, Foxconn, the company that makes most of Apple's devices, has done something that may put this diversification strategy in peril,

Foxconn Technology Group has asked hundreds of Chinese engineers and technicians to return home from its iPhone factories in India, dealing a blow to Apple Inc.’s manufacturing push in the South Asian country.