GORAKHPUR, Feb. 12 -- A police case has been registered against some students of the Deen Dayal Upadhyay (DDU) Gorakhpur University after they allegedly created ruckus at a venue booked by the varsity's former head of the history department Mukund Sharan Tripathi for a programme. The occasion was the wedding ceremony of Tripathi's daughter that was held at the convention centre of the university on February 7....