Tamil Nadu Bhawan in Chanakyapuri is an affordable food joint that serves authentic South Indian dishes. There are a variety of dishes like dosa, chicken 65 and biryani etc. The filter coffee is much recommended. Selective North Indian, Chinese dishes, juices and soups are also available.
The thalis available here is a great bargain for a wholesome lunch. The décor is modest and ambience is classic. This restaurant is great for a casual outing with friends or family.