Water has entered all low lying areas of Lohit, Dibang Valley, Changlang and East Siang district, but the death toll remained one, officials said.
In Lohit, the worst affected district, an SOS has been sent to the state government for immediate arrangement to evacuate the marooned persons of Tezu and Namsai sub-division, Deputy Commissioner R K Sharma said.
Altogether 411.10 mm rainfall was recorded in the district since yesterday, Sharma said adding, the sole death was reported on the night of September 20.
He said floodwater entered in Tezu town threatening Shivajinagar locality, bungalows of DC and SP, Circuit House and other public and private properties and at Afragam, Duraliang, Danglat, Changliang and Khoraliang in Tezu circle.
Altogether 16 relief camps were operating in the district with 2,332 inmates. A rescue team tried to reach the spot with elephants but failed due to the torrent of water.
The district administration has also requisitioned the service of helicopter but it could not materialise due to torrential rain and bad weather condition, Sharma said.
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