As many as 41 persons sustained injuries after their bus fell into a ditch off the Bengaluru-Mysuru highway, near Maddur, in the district on Sunday.
The victims, including 20 women and three children, were rushed to government hospitals in Maddur and Mandya.
The accident occurred near Aishwarya International School off the highway at 2.30 p.m., said the Maddur police. The passengers were on a pilgrimage tour and left Kolkata on February 17.
They visited places in Karnataka, Tamil Nadu, Andhra Pradesh, and Telangana. They were returning to Kolkata.
The driver failed to notice a truck that was parked on the left side, which resulted in the accident, said a police officer.
People wokring along the highway and local residents called for ambulances to shift the injured to hospitals.
While most of the injured were treated as out-patients, around 10 passengers were admitted to the Mandya Institute of Medical Sciences (MIMS) here as in-patients, police said.
According to the police, they will be discharged from hospitals on Tuesday and the remaining passengers have decided to continue their journey through alternative vehicles or trains.