The rhino was killed by the poachers on Sunday night in the Bagori range of the Park. The poachers fired several rounds to kill the animal but fled before taking away its horn as forest guards reached the spot on hearing the gunshots, according to Kaziranga National Park Divisional Forest Officer Rohini Ballav Saikia told PTI.
He said that a search operation is on to nab the poachers.
Meanwhile, three poachers were arrested from a hotel under Behali police station area on Saturday night, police said today.