A 38-year-old man and his two sons drowned in a farm pond in Nidagundi in Belagavi district on Sunday night.
Schoolteacher Kallappa Ganiger and his sons, 11-year-old Manoj and nine-year-old Madan, died when they accidentally drowned while learning swimming lessons.
The children drowned one after the other and their father was sucked in by the water while trying to rescue them, said a police officer.