The elephant received eight bullet injuries and was struggling for his life in Kashjuli under Harmuti forest Range near Ranga Reserve Forest bordering Arunachal Pradesh.
Divisional Forest Officer (DFO) Krishna Patgiri alleged the elephant was shot and injured by suspected poachers from Arunachal side of the reserve forest.
The forest department received information yesterday evening and took initiative to provide treatment to the elephant.
A three-member team from the Assam State Zoo was scheduled to reach the spot today and tranquilise the elephant.