Delhi 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 Delhi.
Schedule calls for 8:30 AM to 9:30 AM in Brasília — your colleagues in Delhi will be online from 5:00 PM to 6:00 PM. With overlap this short — around 1 hour — a recurring slot at 8:30 AM in Brasília (5:00 PM in Delhi) is worth its weight in gold.