All chemicals and substrates including glycerol, diphenylamine, glucose, xylose, arabinose, cellobiose and galactose were purchased from SigmaeAldrich (U.S.A). Reinforced clostridial medium was procured from Difco (U.S.A). Deoxyribonucleic acid, beechwood xylan, soluble starch and carboxymethyl cellulose were purchased from SigmaeAldrich (U.S.A). All agricultural residues were harvested from a southern region of Tamil nadu state in India.