The vegetables will retain their greenness better even after cooking. This will remove all the extra grease and make the washing easier. You may even rub some flour instead. Messy fingers are embarrasing for both the guests and the hostess. Try to stick to one style of cooking during any party.
Many people mix Indian food with Chinese or continental dishes which spoil individual taste.
For example, Russian salad and pulao or chow-mein and chicken korma do not go together.