Four IPS officers have been assigned new responsibilities in W Bengal. Dr R Sivakumar has been appointed as ADG & IGP, EB, WB, while Mrs Damayanti Sen takes over as ADG & IGP, Policy and Rajeev Mishra is now ADG & IGP (Mod. & Co-ord.), WB. Besides, Dr R Rajasekaran was made ADG & IGP, Training.