The ruling BJP in Karnataka today made a clean sweep in Assembly bye-elections held on April 9 winning all the three seats by comfortable margins. BJP candidates C P Yogeshwar won in Chennapatna, S V Ramachandra in Jagalur (ST) constituency and M Naryanaswamy in Bangarpet (SC) constituency.The Party wrested Bangarapet and Jagalur seats from Congress and Chennapatna from JDS.