Mallika Badrinath is a very popular cookbook writer of South India. Her books are published in Tamil, Kannada, Telugu, Hindi and English by Pradeep Enterprises.
100 Tiffin varieties (Vegetarian)cookbook has a lot of varieties of both South Indian and North Indian recipes
The following are the categories -
1. North Indian and tandoori varieties
2. Puri varieties
3. Idli varieties (variations with batter)
4. Dosa varieties
5. Adai varieties
6. Upma varieties
8. Sambar and chutney varieties
Although some of the varieties in the North Indian segment might appear difficult to prepare in the morning, the South Indian varieties are an absolute delight.
Overall, it is a very helpful book for those busy as well as boring mornings when one is confused what to prepare for breakfast