Gujarat State Road Transport Corporation [Gsrtc] — itching noise in bus

Bus route from sama, vadodara to ctm, ahmedabad started at 13:00 hrs. On 11.03.2019, is making itching high pitch and intolerable noise. Driver is not holding any complaint book. On asking for complaint book, he stated that he has not been provided. Driver name is balvantbhai and his mobile no. Is [protected]. Bus no. Is not visible anywhere inside the bus.