1. Check Your Appointment Time On Sundays the time slots at the Chennai VAC are from 1:00 PM to 5:00 PM. You should look at your appointment letter again to make sure you have the date for your appointment at the Chennai VAC. It is better to get to the Chennai VAC in time because arriving at the Chennai VAC more, than 15 minutes before your appointment time is usually not allowed so you can avoid waiting outside in the sun at the Chennai VAC. Visitors undergo biometric scanni