Guntur district Superintendent of Police Vishal Gunni told PTI over phone that it looked like an accidental fire caused by an electrical short circuit.
The panel directed the State Government to obtain information on social schemes and take steps to examine the welfare schemes and file a report before the next hearing.
According to the police, a group of persons from Bihar who work in local factories here, picked up a quarrel in an inebriated condition with a local person over some issue
Ganpatlal, a passenger of the ill-fated bus, claimed that nearly 100 people were travelling in the vehicle and a number of them were sitting on its roof.