Three youths drowned while bathing in Beki river at Manas National Park on May 1.
All the three bodies has been been recovered.
The deceased youths has been identified as Dwip Saha, Raj Saha and Abhijit Karmakar from North Athiyabari village, Barpeta road.
Police reached the spot and divers were called to recover the bodies of the three youths.
Assam police are investigating and found a Hyundai Ion vehicle in the area.
Further details awaited.
