Speaking to reporters here, he said he was sure the UDF will come out with a good performance in polls.
He said community organisations can air their opinions, but with regard to political matters, the ultimate word rests with political parties.
Later, addressing Congress workers, Sudheeran called upon the leaders and activists to work unitedly for the success of the party.
He said that factionalism has helped a few but the activists of the party suffered.
Those who are found wanting in their performance would be given 'retirement', he warned.