The new cases in India's financial capital crossed the 1,000-mark for the first time.
Prior studies have concluded that true pandemic-related mortality in India greatly exceeds official counts.
Nagaland currently has 23 active COVID-19 cases while 1,509 patients have migrated to other states so far, he said.
There was no fresh fatality from any of the four regions of Puducherry, Karaikal, Mahe and Yanam and the death toll remained at 1,967.
