Patnaik and his team of ministers were administered the oath of the office at a function here.

The 72-year-old Biju Janata Dal chief became one of the longest-serving chief ministers of the coastal state.

The Biju Janata Dal, which secured 112 seat in the 147-member Odisha Assembly in the recently concluded election, held along with Lok Sabha polls, has been in power in the state since 2000.