Unless you are staying on an Indian friend's house, the most fun and true way of getting to know the day-to-day and customs of the Indians is to use the Indian rail network.
Purpuris will be visiting the houses of the village and dance around their yards. He will wish prosperity and fertility for the year to come and the house owner will treat him with food and drinks, usually Tsipouro.
Kastellorizon is the Easternmost island of Greece, very near the shore of Turkey and the city of Kas. I have spent two weeks during the Greek Orthodox Easter on the island and got to see the customs and meet very interesting local people.