The Guar or cluster bean (Cyamopsis tetragonoloba) is an annual legume and the source of guar gum. It is also known as Gavar, Guwar or Guvar bean.This legume is a very valuable plant within a crop rotation cycle, as it lives in symbiosis with nitrogen-fixing bacteria.

In fact, agriculturists in semi-arid regions of Rajasthan follow crop-rotation and use Guar as a source to replenish the soil with essential fertilizers and nitrogen fixation, before the next crop.Guar as a plant has a multitude of different functions for human and animal nutrition but its gelling agent containing seeds (guar gum) are today the most important use.It comprises many essential Vitamins, namely Vitamin K, Vitamin C, Vitamin A, folates, and rich in carbohydrates.