AIADMK supremo and Tamil Nadu Chief Minister Jayalalithaa today replaced one of her party candidates for the Rajya Sabha polls and even expelled him from the party for "anti-party activities and going against its principles."

Jayalalithaa replaced N Chinnadurai with A K Selvaraj, who is the party's organising secretary.In a statement, Jayalalithaa announced the expulsion of Chinnadurai for "indulging in anti-party activities and going against its principles bringing disrepute to the ruling AIADMK."

Jayalalithaa had on Thursday announced four candidates for the February 7 Rajya Sabha elections while extending support to CPI-M, which has renominated sitting MP TK Rangarajan for a successive term.