Signs of an enlightened person

Following is an excerpt from a samvaad (dialogue) session with Acharya Prashant.

Questioner : If someone is behaving in a certain way, like he always remains peaceful, meditative, joyful and never shows anger etc. By observing these patterns, can we tell whether the person is enlightened or not?

Acharya Prashant: Totally depends, and ultimately the person has to answer this. You can…