Answer: Banka, Jamui and Nawada
Notes: Asbestos predominant fine rocks are found in Banka, Jamui and Nawada districts of Bihar. Asbestos [Abrakh] is used for making power and communication plants, glass, decorative items, fireproof materials, etc. It is also used in the paper-industry, rubber-industry and chemical industry. It is found in the form of white or black fragments in igneous and metamorphic rocks.
