Its Origin is Peninsular India. Horse gram is an important crop of south India. Its grain is used for human consumption as ‘dal’ as well as in preparation of so called ‘rasam’ and also as a concentrated feed for cattle. It may also be used as green manure. This crop is generally grown when the cultivator is unable to sow any other crop for want of timely rains and also grown in vacant space of citrus orchard. Horse gram is mainly cultivated in the states of Karnataka, Andhra Pradesh, Orissa, Tamil Nadu, M.P., Chhattisgarh, Bihar, W.B., Jharkhand, and in foot hills of Uttaranchal and H.P., in India. It is also cultivated in other countries mainly Sri Lanka, Malaysia, West Indies etc. Horse gram can be grown in paddy nurseries after transplantation of the second crop and in palliyal lands after harvest of first crop and uplands during rabi season.