Concept:Direction is divided into 8 sections, 4 cardinal directions, and 4 ordinal directions.The four cardinal directions are the directions north, east, south, and west, commonly denoted by their initials N, E, S, and W.East and west are perpendiculars (at right angles) to north and south.East is in the clockwise direction of rotation from north and west is directly opposite east. The ordinal directions are northeast (NE), southeast (SE), southwest (SW), and northwest (NW).NE, SE, SW, and NW lie in between the cardinal directions north and east, south and east, south and west, and north and west respectively.Explanation:Gandhinagar is situated at SW from Delhi.Patna is situated at SE from Delhi.