RBI prescribes the cash reserve ratio to be maintained by banks as part of prudential norms. In what way is this cash reserve maintained by the banks?

[ A ]    None of these
[ B ]    It is kept as reserves of gold with RBI
[ C ]    Each bank keeps the reserve in their respective head offices
[ D ]    It is maintained as cash with RBI right
[ E ]    It is maintained as investments in government bonds
Answer : Option D
Explanation :