Circular No. 138/49/95-CX I am directed to enclose 3 proforma named A, B & C* with this letter. These 3 proformas relate to the analysis of revenue from major units and major commodities of the Commissionerate. Proforma C has been designed especially to ascertain the effect of liberalised import regime, introduction of MODVAT on the basis of dealers invoices, on the revenue.