Arunachal Pradesh on Thursday reported 435 fresh COVID-19 cases, the highest single-day spike so far this month.
With the fresh cases, the tally climbed to 57,822, a senior health department official said.
The northeastern state had Wednesday reported 350 infections.
According to health officials, of the total cases, 138 cases were registered in the Capital Complex Region, 40 from West Kameng, Changlang (37), Namsai (35), Lower Dibang Valley (31), Lohit (28), Papumpare (26), Lower Subansiri (23) and East Siang (22).
The death toll remained at 282 as no fresh fatality was reported in the past 24 hours.
Arunachal Pradesh now has 1,938 active cases, while 55,602 patients have recovered from the disease thus far, the official said.