"Some ministers of the Mayawati government are in jail and some more can go there...Action will be taken on some more ministers who are accused of wrongdoings," Yadav said to queries over Vigilance department seeking permission for filing FIR against five and charge sheet against three others.
"How many ministers of the previous government will go to jail cannot be spelt out as of now," he said in reply to another question.
The department has also sought permission to lodge FIR and conduct probe against five other former ministers - Chandra Dev, Naseemuddin Siddiqui, Ramvir Upadhyay, Rakesh Dhar Tripathi and Babu Singh Kushwaha.
Vigilance department has already lodged a case against another former minister Ram Achal Rajbhar and investigations are on.
Lokayukta N K Mehrotra had investigated charges against these ministers and found these prima facie correct.