Since the age of 15 years, Late Basant Kumar Birla had been actively associated with a large number of Companies under the management of Messrs. Birla Brothers Private Limited. Since 1936, he had been the Chairman of Messrs. Kesoram Industries & Cotton Mills Limited – one of the biggest industrial units in Bengal. Syt. Birla himself had started many new industries in various fields such as Cotton, Viscose, Polyester and Nylon Yarns, Refractory, Paper, Shipping, Tyrecord, Transparent Paper, Spunpipe, Cement, Tea, Coffee, Cardamom, Chemicals, Plywood, M.D.F. Board etc.