Rio is the chief ministerial Candidate of the NDPP and is contesting from Northern Angami II constituency under Kohima district.
With this, a total of 195 candidates, including five women are in the fray for upcoming polls scheduled to be held on February 27.
Meanwhile, Nagaland Chief Electoral Officer, Abhijit Sinha assured a free and fair election in the state.
VVPAT machine along with EVMs will be used in all the polling stations for casting the votes. (ANI)