 He founded Bashundhara Group, which is operating in various lines of activities including real estate, cement manufacturing, paper and allied products, steel products, LP Gas, Shopping Complex, local and international trading.In 1978, Sobhan started the East West Property Development (Pvt) Ltd., now known as Bashundhara Housing.He currently leads group of enterprises consisting of nearly three dozen medium to large ventures steel and engineering, paper, tissue, cement, LP Gas, sanitary napkin, multi-paper, dredging, shipping, food and beverage, galvanised iron pipe, etc.