Hyderabad is 8.5 hours ahead of Brasília
Best overlap: 8:30 AM to 9:30 AM in Brasília is 5:00 PM to 6:00 PM in Hyderabad.
Shoot for 8:30 AM to 9:30 AM in Brasília; your Hyderabad colleagues will see that as 5:00 PM to 6:00 PM. Hyderabad is 8.5 hours ahead of Brasília, so common hours are scarce (about 1 hour). Lock the slot, keep it short, and follow up in writing.