Grants in lieu of export duty: prescribed sums charged on Consolidated Fund as state aid while export duty exists. Grants are charged annually on the Consolidated Fund of India as grants in aid to Assam, Bihar, Odisha and West Bengal in lieu of assigning any share of net proceeds from export duty on jute and jute products; the amounts are the sums prescribed, which remain chargeable only while such export duty is levied or until the earlier expiration of the ten year limitation, and 'prescribed' has the meaning given in Article 270.