Draw a large irregular shape with a broad top and a tapering bottom
Keep the western side slightly curved to represent the coastline
Make the northern boundary wider and more uneven
Add a slight inward curve on the eastern side
Extend the southern part downward into a narrow point
Mark the Arabian Sea along the left side if needed
Sketch the main outline lightly first
Refine the border to match Karnataka’s distinctive shape
Add district boundaries only if required
Label the map as Karnataka if needed