The total number of COVID-19 cases in Nagaland stands at 43 since Sunday.
The National Socialist Council of Nagalim (NSCN-IM) has expressed shock on the demise of Puni after undergoing treatment at Fortis Hospital, New Delhi.
Of the new cases, Dimapur reported eight cases while the other three cases were reported from Kohima.
Of the new cases, Dimapur reported six cases and Tuensang three case, state Health Minister S Pangnyu Phom said.
Nagaland reported five new COVID-19 cases on Wednesday taking the total number of cases in the state to nine.
On Monday, three persons who returned from Chennai, Tamil Nadu by a Shramik Special Train tested positive for the virus.
Of the three cases, two are from Dimapur and one from Kohima. All of them returned to the state from Chennai.