a. Monetary Policy is controlled by the central bank (RBI) using tools like Bank Rate, Repo Rate, CRR, etc., to influence credit conditions and money supply. Bank Rate (iv) is a monetary policy tool. b. Trade Policy encompasses measures related to international trade, including regulation of Imports and Exports (iii). c. Credit Policy refers to policies governing the availability and cost of credit. Margin requirements (ii) (e.g., the percentage of a loan that must be backed by collateral) are tools used in credit control. d. Fiscal Policy involves government actions related to taxation and spending to influence the economy. Tax Rate (i) is a primary instrument of fiscal policy.