On September 12, Erabot left Congress and joined Bharatiya Janata Party.
Biren resigned as MLA on October 6.
Francis supporters had arranged a meeting at the Maram town - about 80km north of Imphal. He resigned to receive continued support.
His supporters warned that they would not vote for any Congress candidate in the 49 (ST) Tadubi Assembly constituency in the forthcoming state Assembly election.