Dubey, 52, is survived by wife and two daughters, they said.
He worked in a number of newspapers, including Dainik Jagran and Dainik Bhaskar.
His last rites were performed today at Bhadbhada cremation ground in the presence of large number of journalists, political leaders and well wishers.
Madhya Pradesh Chief Minister Shivraj Singh Chouhan and public relations minister Rajendra Shukla expressed grief at the demise of Dubey.