Bio-ethanol from lignocellulosic biomass via enzymatic route has received wide acceptance
as liquid fuel for transport sector. It has been regarded as alternative sustainable source of
energy, however; economic feasibility still remains a question. Cellulase is still considered to
add to the major cost components in the bio-ethanol production process. Trichoderma
reesei, which is considered as the most potent cellulase producer is known to be deficient in
β-glucosidase, hence, Penicillium cellulases being rich in β-glucosidase have got …