An adult tigress has been found dead at Agratoli range of Kaziranga National Park in Assam, the fourth such death in this month in the sanctuary.
Park officials said the carcass of the tigress was found on Friday in a highly decomposed state.
The reason behind the death is yet to be ascertained, they said.
It is the fourth tiger carcass to be found this month in Kaziranga National Park, which is a World Heritage Site.
Earlier, carcasses of three tigers, all in decomposed state, was found at Kohora, Agratoli and Bagori ranges of the Park. Officials had claimed that all deaths were natural.