Rajma is the Indian name for kidney beans. These are soaked, cooked & then simmered with onions, tomatoes & spices to make the dish, Rajma masala. It is also just referred as Rajma.
"What type of food is rajma? " you ask;
With a rich red color, the Red rajma is one of the most common kidney bean types and is widely used in various Indian dishes. It has a dense taste and a thick texture, making it necessary to soak it in water for eight to ten hours or overnight before cooking.