The ruling Congress on Sunday expelled former home minister L Wanglat from the party for contesting against the official party candidate Ninong Erring from Arunachal East constituency.
Chairman of the Congress disciplinary committee Tako Dabi told newsmen in Itanagar that the party had read from newspaper reports that Wanglat had resigned but has not yet received any formal letter from him.
Wanglat had earlier been expelled from the party twice but was readmitted after he apologised.
"But this time his expulsion is permanent," Dabi said.
Wanglat, who is contesting as a candidate of Arunachal Congress, a regional party, had earlier told newsmen that he harboured the dream to be a Lok Sabha member. But Congress had failed to recognise his talent and refused to give him a ticket for the seventh time and in protest he resigned from the party.
Wanglat, known for his oratory skill, had also held the transport and finance portfolios for brief periods and lost the last assembly election.
He had unsuccessfully contested for the Lok Sabha seat twice. This time he is involved in a virtual triangular contest with sitting BJP MP Tapir Gao and Erring and is expected to eat into Congress votes.