Gambhari Chilka, from the tree Gmelina arborea, is a deciduous species native to the Indian subcontinent and parts of Southeast Asia. The bark, or "chilka," is light brown to gray in color with a slightly flaky texture, and has traditionally been gathered from mature trees for use in regional preparations and folk practices.Known for its versatility, Gambhari has played an important role in local customs, especially in crafting and ritual blends. The bark contains natural plant compounds such as lignans and flavonoids, which contribute to its unique character and traditional value.