BANGALORE: India has become a major ingredient in Apple’s secret sauce, and the scale may surprise many. It is estimated that a third of the $171-billion company’s engineering staff is Indian, and that a large and increasing proportion of its enterprise software, service and support work is done by Indian IT vendors.  Apple filed 1,750 H-1B applications during the 10-year period 2001 to 2010, but the number increased sharply to […]