Modvat credit reporting requirement: structured monthly returns to assess Modvat impact on revenue and capital goods. Mandated monthly submission of three proformas to analyse revenue and Modvat availment, distinguishing PLA and Modvat components and isolating Modvat credit by source. Proforma A reports commodity-wise month and year-to-date revenue (PLA and Modvat). Proforma B records unit-level revenue trends and production with columns for clearances, Modvat and PLA. Proforma C itemises Modvat credit taken up to the month across direct local purchases, dealer purchases, imported goods including capital goods (CVD), and capital goods bought locally. Reports must accompany Monthly Technical Reports.