I heard rumors that the actor who plays Kutner died in reality so that's the reason he died in the show-true یا false?

No, he didn't. In fact, I've just گیا کیا پوسٹ a link to an interview with Kal Penn about why he left House (yes, he decided to on his own...it wasn't something forced on him سے طرف کی the writers). He's going to work in the White House.

WHAT?! NO.