The Indian National Flag consists of a horizontal tricolor: deep saffron on top, white in the middle, and dark green at the bottom. In the middle of the white band, there is a navy blue wheel (Chakra) with 24 spokes, resembling the Chakra on Emperor Ashoka's Sarnath Lion Capitol.
Instructions

Sketch a rectangular shape.

Partition it into three equal horizontal segments.

Apply saffron color to the topmost section.

Apply dark green color to the bottommost section.

Sketch a navy blue circle at the center of the middle section.

Segment the circle into 4 equal parts.

Draw 5 navy blue spokes between each segment, totaling 24 spokes.