You could try a cracker/cheese/meat tray and a fruit/veggie tray. Also, having bread to make sandwhiches would give them something to eat that is a bit more like a meal.
List of foods that Indian people eat daily.. 1) roti / chapati/ paratha2) sabji (vegetable)3) rice4) dal5) fish/chicken (if non vegetarian)6) papad / pickle/ raita / salad