To address your complaint about bus TN01AN4632 running very slowly while the driver was eating and using his phone, please contact the Metropolitan Transport Corporation (Chennai) customer care 18005991500, quoting the bus number, date, time, and nature of the issue. You may also lodge an online grievance on the Tamil Nadu Transport Department portal.
If you receive no response within 7 days, escalate by filing a written complaint with the Regional Public Transport Authority at your nearest office, including any photos or videos as evidence.
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