"The bus, belonging to a public secondary school, was carrying 30 children -- all of primary standard. It was going to the school from Thikeriykalan village when it fell into the drain after losing balance," Assistant Sub-Inspector Ramkishan Gurjar said.
While four of the injured children were discharged after first aid, a girl suffered fracture and was sent to hospital in Kota for treatment, he said.
The children were pulled out of the bus by villagers after breaking window glasses.