Taipei is 2.5 hours ahead of Delhi
Best overlap: 8:00 AM to 4:00 PM in Delhi is 10:30 AM to 6:30 PM in Taipei.
The overlap falls at 8:00 AM to 4:00 PM in Delhi, or 10:30 AM to 6:30 PM if you're in Taipei. The 2.5-hour gap barely gets in the way — you've got 8 hours of overlap, so pick whatever time fits the agenda.