Tamil Nadu Congress Committee president E.V.K.S. Elangovan on Saturday demanded a White Paper on the status of Dalits detained in Tamil Nadu prisons. In a statement here, he said the White Paper must also have details of the attacks on Dalits in the State. Quoting a recently released National Crime Records Bureau data on Prison Statistics, he said that of the 3,237 detenues (those arrested under preventive detention laws) in the country at the end of 2014, a total of 1,892, including 37 women, were in prisons in Tamil Nadu.