City Superintendent of Police R M Shukla said the bus, belonging to a private school, caught fire at the Station Bus Square with 30 students on board today afternoon.
Onlookers and police personnel rescued them quickly, he said.
The documents of the bus, including its 'fitness certificate', were up to date, but no first-aid box and fire extinguisher were found inside, he said.
On January 5, four students of Delhi Public School (DPS) and the driver were killed when a speeding school bus ran into a truck at Kanadiya by-pass in Indore.
Following the accident, the transport department initiated a drive against the school buses which do not meet safety norms.
(This story has not been edited by Business Standard staff and is auto-generated from a syndicated feed.)