Section 12B(3) in The Banking Regulation Act, 1949
(3)Where the acquisition is by way of transfer of shares of a banking company and the Reserve Bank is satisfied that such transfer should not be permitted, it may, by order, direct that no such share shall be transferred to the proposed transferee and may further direct the banking company not to give effect to the transfer of shares and in case the transfer has been registered, the transferee shall not be entitled to exercise voting rights on poll in any of the meetings of the banking company.