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.
(..) Oh, darling. Not to worry. Trust me. I may be a bit rusty, but I'm perfectly capable of taking care of myself. I congratulate you, Chief, on your excellent facilities. Of course you understand that my visit here must be of the utmost secrecy? Of course. My department will do (..)1975 The Return of the Pink Panther
(..) Immediately, sir. Well, Cato, I am back on the force. You know, Cato, your freezer ambush ploy- I really congratulate you. It was very, very good. But, Cato, your fly is undone. And so, my friend, are you. Yes, my little (..)1975 The Return of the Pink Panther