1. While confessing a fault (or expressing a negative idea) the sequence of the personal pronouns should be as follows:
I, you and he are in the wrong and will be punished.
[First person first, second person next and third person last]
2. While expressing a positive idea or praise, the sequence of the personal pronouns should be as follows:
You, He and I will get an award for the good work we have done.
[Second person (2), third person (3), and first person (1)]
You, he and I have finished the work.
Ram, I and you have finished our studies. (Incorrect)
You, Ram and I have finished our studies. (Correct)