Acting on information, a police team held M Vijay Kumar, his brother M Ravi Kumar, PN Ravindra and A Satyanarayana.
The four, in the age group of 52-57, indulged in cheating innocent people by pretending as police and customs officials and even as journalists, a statement from Hyderabad Police read.
Seven cases have been registered against them in different police stations in Hyderabad, it added.
Get the latest election news, live updates and election schedule for Lok Sabha Elections 2019 on ndtv.com/elections. Like us on Facebook or follow us on Twitter and Instagram for updates from each of the 543 parliamentary seats for the 2019 Indian general elections.