You are 'to be congratulated' [=you should be congratulated; you deserve praise] on/for your excellent work.
She 'congratulated' herself for getting the best grade in her class.
I'd like to 'congratulate' you on/for your success.
(..) about caves,leonard? - What? - Nothing. Well,then we'll avoid finkleday,we'll meet the new department head, congratulate him,shake his hand and go. How's this? "Pleased to meet you,dr.Gablehauser. "How fortunate for you that the university's "chosen to hire you, despite the fact "that you've done (..)2007 TvShow: The Big Bang Theory Title: The Luminous Fish Effect Season: 1 Episode 4