Kidney beans are rich in protein and fiber. Like oats, they are also a superb source of resistant starch that will help you burn fat. Kidney beans, also known as rajma, is a well known pulse that is extensively used all over the world in the preparation of variety of dishes, particularly in rice, curries, salads and toppings. Mexican foods that are popular all over the Globe. And kidney beans is the main component that is used in preparing the dishes. Tacos, Mexican chaat and Mexican Bean Hotpot are few famous dishes that are prepared using kidney beans or rajma.