Tamarind is used in Ayurvedic medicine for gastric and/or digestion problems, and in cardioprotective activity.Tamarind has been found to lower serum cholesterol and blood sugar levels. Due to a lack of available human clinical trials, there is insufficient evidence to recommend tamarind for the treatment of hypercholesterolemia or diabetes.The fruit pulp is edible. The hard green pulp of a young fruit is considered by many to be too sour and acidic, but is often used as a component of savory dishes, as a pickling agent .

Source: wiki

Tamarhind is good in taste for cooking & some benefits.

The brown pulp of the tamarind contains its health benefits:

1-Has antioxidants called carotenes, Vit. C & B Vitamins.
2-Lowers fever & prevents colds.
3-Helps to digest food.
4-Used to treat bile disorders.
5-Lowers cholesterol.
6-Promotes healthy heart. ...more