It is not very often that you meet Riteish Deshmukh and he does not crack a joke. But his viral infection, cold and flu have made sure that he is not in his element. But that doesn’t mean he will shirk his responsibilities—he was on board to promote his first world tour, The Unforgettable Tour, along with fellow co-stars, the Bachchans and Preity Zinta in Mumbai last Friday.