Pulikachal is a famous dish made in south India. The main ingredients are tamarind and sesame oil. It can be mixed with rice and eaten. It can be eaten with chappatis too.
Rasam is also a famous dish made in south India. The main ingredients are tamarind and ghee. It can be eaten only with rice. However, sambar which is closely related to rasam can be eaten with chappatis. Because sambar contains dal (pulses or legumes).
Rasam needs water for preparation. The water gets about halved in cooking. For areas with water scarcity, pulikachal will be more suitable especially for rice eaters.
One contribution which our country will ever remember is the mid-day meal schemes of government for school going children. Now, they have included eggs too.