It originated from the Indian subcontinent. They are immensely popular in countries like Pakistan, Nepal, India, and Bangladesh. Rajma is served along with rice and has been made part of the daily diet in previously mentioned countries. Rajma has the shape of kidney beans. Rajma is grown on a widescale basis in states like Karnataka, Kerala, Tamil Nadu, Uttarakhand, West Bengal, Maharashtra, Jammu and Kashmir, and Himachal Pradesh.