CRR is the percentage of a bank’s total deposits that must be kept as reserves with the Reserve Bank of India in cash form.
CRR is a key monetary policy tool used by the RBI to control liquidity in the banking system. Banks cannot use this portion of deposits for lending or investment—it must be maintained with RBI.
By adjusting CRR, RBI can influence how much money banks have available to lend.
"If CRR is 4% and a bank has ₹100 crore in deposits, it must keep ₹4 crore with RBI and can use the remaining ₹96 crore for lending."