A 5 years old female Royal Bengal Tiger was found dead near Panchnoi river under Camp No.2 of Orang National Park on 25.12.2010 around 4 pm. The carcass was detected by the staff of the said camp in a dense patch of tora vegetation while patrolling on foot. The carcass bore no injury signs and nothing unusual was noticed at the place of occurrence and surrounding area. The spot is less than a km from the Park boundary. Entire area was searched using elephants as well as on foot for some clues like kill but nothing was found. The carcass was brought to the Range HQ and the post mortem and disposal of the carcass was carried out as per the protocol. The team comprised S K Daila,DFO,Orang NP; Salim Ahmed, Range Officer,Orang NP; Firoz Ahmed, of National Tiger Conservation Authority; Kishore Sarma, of Wildlife Crime Control Bureau; Govinda Kalita,VAS and local NGO Otters. The team also inspected the place of occurrence and interacted with the concerned camp staff yesterday.The post mortem report has cited suspected poisoning as the cause of death but has recommended forensic examination for confirmation. Samples of vital organs have been collected and will be sent to State Forensic Science Laboratory at Guwahati. A high alert has been sounded in the entire National Park following the death of the tigress. This morning around 4 am the Park staff has arrested a person from Nichlamari village for capturing and possessing a wild buffalo calf in his house ,just outside the boundary wall of the NP.The calf was just two or three days old.