He was elected as the member of 15th Lok Sabha, from the Jamshedpur Lok Sabha constituency in a mid-term election. He belongs to Jharkhand Vikas Morcha (Prajatantrik) (JVM) party, during the 2011 Jamshedpur by-elections held on 1 July 2011, the result for the same was announced on 4 July. He defeated his nearest rival, Dineshanand Goswami of BJP, by a margin of over 1.55 lakh votes.JVM wrests Jamshedpur, state BJP chief resigns Indian Express, 5 July 2011.Tinsel town to steel city – for Dr Ajoy The Times of India, 26 June 2011.Marandi's man wins Jamshedpur Lok Sabha seat, BJP loses deposit Economic Times, 5 July 2011.
