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.

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,

Apple's strategic push into the Indian market appears to have encountered a significant roadblock due to Foxconn's move to send Chinese engineers home from India operations, raising questions about the pace and ease of Apple expansion plans in the subcontinent.