In recent times, food scarcity becomes the major issue of the world especially in third world countries. The sustainable agricultural boost for yield, nutrition and adaptability of major crops is the sole solution to this grim situation. Grain legumes are protien rich affordable foods and are also vital source of micronutrients. Grain legumes complement cereals for improvement of nutrition quality of starch-based diets of the very poor. The narrowing genetic base of grain legumes due to selection pressure and environmental stress over the generation limits the availability of variations for...