The rhino was found to be slained at Kohora range of the national park.
According to reports, the horn was found to be missing from the rhino and is believed to have been taken away by the poachers after killing the animal.
The forest guards also recovered five empty cartridges of 0.303 rifle from the spot where the carcass of the rhino was found.
There have been a number of rhino poaching incidents in Kaziranga National Park.
This year in February, the first rhino poaching incident occurred at Agaratali range of Kaziranga National Park.
In the first rhino poaching incident of 2019, a male adult rhino was killed and its horn was taken away by poachers. Later, the carcass of the rhino was recovered by the forest guards.
While the years 2013 and 2014 saw 27 poaching incidents, the figure declined in the following years to 17 in 2015 and 18 in 2016.
In 2017 and 2018, six rhino poaching cases were registered.
Kaziranga is home to at least 2,500 greater one-horned rhinos, the world’s largest population of the species, listed as vulnerable by the International Union for Conservation of Nature (IUCN).