You can find pilot charts online
https://www.kp44.org/ftp/PilotCharts/
Start with the "Pressure" section in the upper left corner of the May chart. Also observe the wind patterns along the Indian coast. If there are two approaches (from pure S or SW, the SW one is more likely to work because of that wind pattern)
The classic route is West of Madagascar. This is not a sailing-specific chart, so it may not be optimal in our case, but should be kept in mind as a possibility.