Who likes Violet?

Eight married couples meet to lend one another some books.
Couples have the same surname, Job and car.
Each couple has a favorite color.
Furthermore we know the following facts:

1. Tulsi Virani and her husband work as Shop-Assistants.
2. The book "Malgudi Days" was brought by a couple who drive a Audi and love the color red.
3. Naitik and his wife Akshara like the color brown.
4. Sahil Sarabhai