Currency is not the factor, it has to add up to 600 euros and deposited in a bank here in Madagascar. Yes you are o k to provide prof of income from India. There is a very large Indian Community in Madagascar. They are mostly the business people with stores. When you come to Madagascar it would be a good idea to contact the Indian community , any organizations or societies here. Perhaps you could contact the Embassy in India to find out what out reach programs exist for you to network with, or perhaps a chamber of commerce that deals with goods and services imported and exported between the two countries.