Dulloo, a 1988-batch Arunachal Pradesh-Goa-Mizoram and Union Territory (AGMUT) cadre IAS officer, will take charge after the superannuation of incumbent Chief Secretary Arun Kumar Mehta at at the end of this month after completion of 60 years of age. Mehta, also a 1988-batch AGMUT cadre officer, is retiring on November 30.