Tamil Nadu Chief Minister J Jayalalithaa has expelled her close aide, Sasikala Natarajan, and 11 of her relatives from her party, the AIADMK. No reason has officially been given for the drastic step. Those who've been handed the pink slip include Sasikala's husband, Natarajan; her nephew and former MP T T V Dinakaran; and Sudhakaran, Jayalalithaa's estranged foster son.