The carcass of the fully grown and mature elephant was recovered between Madhupur camp and Boi Diha camp within the Sanctuary, forest officials said.
Samples of the carcass has been sent to the forensic laboratory for further tests as the exact cause of the death could not be ascertained in the postmortem.
Veterinarian Numol Chandra Doley, who performed the post mortem said the exact cause could not be ascertained and the tusker could have been poisoned or shot at as two holes were found but they did not find any ammunitions near the spot.
Senior forest officials pointed out that the value of the two missing teeth (ivory) was estimated to be about Rs one crore.
