Sal (Shorea robusta) is a tall handsome tree providing very good quality timber. Its botanical family is dipterocarpaceae. In local languages it is called salwa, sakhu, sakher, shal, kandar and sakwa. Sal is a gregarious species and it forms the dominant composition in the forests where it occurs. It grows well in a well-drained, moist, sandy loam soil. It is a moderate to slow growing species and can attain a height upto 35 m and a girth of about 2 to 2.5 m in about 100 years under favorable conditions
Sal trees are found from Burma in the East, to Assam, Bengal, Nepal, the Deccan Plateau, going up to the foothills of the Shivaliks on the left bank of the Yamuna river. In Haryana, Sal can be found in the Morni Hills and the Kalesar forest. Sal grows well in low height plains to foothills viz. Shivaliks from 200 to 1200 meters above mean sea level. But Sal growing in Nepal and Singhbhum district of Bihar are considered to be the best variety.