(i) The Commercial banks are required to maintain a minimum cash balance out of the deposits they receive.(ii) The RBI monitors that the banks actually maintain the cash balance.(iii) The RBI sees that the banks give loan not just to profit-making businesses and traders but also to small cultivators, small-scale industries, small borrowers, etc.(iv) Periodically, banks have to submit information to the RBI on how much they are lending, to whom, at what interest rate, etc.(v) RBI fixes the rate of interest which is accepted by all the banks in the country-commercial and national banks. it also controls the flow of currency in the economy to maintain the stability of the currency.