Chirmi is a type of plant known scientifically as Pongamia pinnata. It is a medium-sized tree native to tropical and subtropical regions, particularly in India and Southeast Asia. The tree is valued for its ability to grow in poor soil and its resistance to drought, making it an important species for reforestation and soil conservation efforts. The seeds of the Chirmi tree contain oil that can be extracted and used for various purposes, including biodiesel production. Additionally, the tree's leaves and pods are often used as fodder for livestock. Its ecological benefits and economic potential make Chirmi a significant plant in sustainable agriculture.