At least five persons were feared drowned at the Kundala dam area near Munnar on Thursday.
The bodies of two persons were recovered, and the police, and fire and rescue service personnel are searching for the missing.
The Munnar police said five tourists from Thiruvananthapuram were taking bath near the dam, where the water level has risen due to heavy rains over the past three days. Bodies of Kazhakottom residents — Ratheesh, 24 and Sreejith, 25 — were recovered by evening. Search is on for Lalu, 21, Manu,18 and Bharath, 24, other members of the group.