Most of the Indian Grocery stores are located in the Servette Area. There is a Asia Spices right on the main road of Rue De servette. Madura is located behind the McDonalds, next to the entrance of the Migros parking lot. Steven shop is located in a small street exactly opposite the honda dealership in servette. There is another gorcery store named Multi Bazaar on Rue de Fribourg, near Gare Cornavin, behind the MCdonald. Good Luck with your stay in Geneva.