The Aditya Birla Group is an Indian multinational conglomerate, based in Mumbai, India. It operates in 26 countries with 130,600 employees and revenue of US$30 billion. The group was founded in the 19th century and is now led by Kumar Mangalam Birla. It operates in sectors such as metals (aluminum and copper), cement, viscose staple fiber, chemicals, fertilizers, insulators, carbon black, and more. The group has expanded internationally since the 1960s and is now India's largest conglomerate operating globally.