Patnaik and 21 ministers were administered the oath of office and secrecy by Governor S C Jamir at the Raj Bhavan.
The eleven who took oath as cabinet ministers were Pradip Kumar Amat, Damodar Rout, Debi Prasad Mishra, Pradip Maharathy, Bijayshree Routray, Bikram Keshari Arukh, Usha Devi, Lal Behari Himirika, Jogendra Behera, Badri Narayan Patra and Puspendra Singhdeo.
The remaining ten were ministers of state.
Five members of the previous ministry were dropped, while the new team included eight first time ministers, including cabinet minister Jogendra Behera.
Those who became ministers for the first time were Pranab Prakash Das, Sudam Marandi, Prafulla Mallick, Snehangini Chhuria, Pradeep Panigrahi, Ashok Panda and Sanjay Das Burma.