Sudershan Biotech Limited (SBL) is a Research led Organization incorporated in the year 1999 and came into operation in 2001. SBL started as a R&D unit, specializing in recombinant DNA technology that has evolved into an organization with focus in the areas of Industrial Enzymes, Diagnostic Proteins and Therapeutic proteins. SBL was started by a prominent Industrialist and doctors with Dr. Ramareddy V Guntaka, who is currently a Professor at The University of Tennessee, Memphis, TN, USA as its Chief Scientific Advisor.