The Aditya Birla Group is an Indian multinational conglomerate headquartered in Mumbai, Maharashtra, India with over 136,000 employees worldwide. It has interests in sectors such as metals, cement, carbon black, chemicals, fertilizers, textiles, financial services, telecom, and IT services. The Aditya Birla group is a diversified conglomerate with a total revenue of approximately US$40 billion in 2012, making it one of the largest private sector conglomerates in India.