Pakistan is a country of great geographical importance. It has land of almost all types but the larger areas have arid and semi-arid conditions. So they have a greater risk of drought. For this we have a drought resistant plant Jatropha curcas which belongs to family Euphorbiaceae. This plant has a characteristic feature that it can grow on soil which is not suitable for agriculture. It has a role in purification of environment and soil as it provides raw material to it. These are its attractive features for farmer. Jatropha is commonly cultivated in southern Africa, so a little is known for...