The Cash Reserve Ratio is a monetary tool: raising CRR locks up more of banks' funds with the RBI, reducing money available for lending and tightening liquidity; lowering it frees up funds. Unlike SLR, CRR must be held in cash and earns no return.
Formula
Required Reserves = CRR% × Net Demand & Time Liabilities (NDTL)
Example
At a 4.5% CRR, a bank with ₹1,000 crore of deposits must keep ₹45 crore in cash with the RBI.
Relevant NISM series
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