Made some tests with rastering techniques. This one has been rastered in GIMP and then imported to Inkscape where I did Path-Trace. So it is a true vector image although it looks like raster.
Vector portrait of Mahatma Gandhi, leader of India and spiritual guidance for many. Stylized facial features and round glasses visible. Free vector Gandhi illustration for all India, religion, peace, spiritual guidance, inspirational people, history design themes. Simplified vector portrait of the great man.