In short, technical skills deal with things, human skins deal with people, and conceptual skills deal with ideas. Managers require these skills. However, what “will be proportion of these skills in managers depends on the management levels at which they work. Managers at lower level require technical skills more; managers at middle level require human skills more, and managers at top level require conceptual skills more.
Besides these three skills, various writers and researchers have provided other skill sets for various levels of management.