CHENNAI: Tamil Nadu BJP state secretary Amar Prasad resigned from the party on Wednesday, days after former state BJP president K Annamalai stepped down from the organisation.Announcing his decision on social media, Amar Prasad said he would be joining Annamalai in his future political journey.“I have resigned from the BJP and will be joining Thalaivar Annamalai avargal in his journey ahead,” he posted.