Section 12B(8) in The Banking Regulation Act, 1949
(8)The Reserve Bank may, if it is satisfied that any person or persons acting in concert with him holding shares or voting rights in excess of five per cent. of the total voting rights of all the shareholders of the banking company, are not fit and proper to hold such shares or voting rights, pass an order directing that such person or persons acting in concert with him shall not, in the aggregate, exercise voting rights on poll in excess of five per cent. of the total voting rights of all the shareholders of the banking company :-Provided that the Reserve Bank shall not pass any such order without giving an opportunity of being heard to such person or persons acting in concert with him]