1. Finger print of every person is unique, that is, no two persons have same finger print
2. Finger print does not change with time. Human face changes with dress up, hairstyle, age and artificial makeups. So, photo of human face is not useful in the long run.
3. Finger print is very easy and less time consuming to take. Someone needs only some ink to imprint his fingerprint. Whereas, photography is complex and time consuming. Continue reading