Section 49 of Indian Companies Act 2013 "Calls on shares of same class to be made on uniform basis"
Where any calls for further share capital are made on the shares of a class, such calls shall be made on a uniform basis on all shares falling under that class.
Explanation. For the purposes of this section, shares of the same nominal value on which different amounts have been paid-up shall not be deemed to fall under the same class.
Section 50 of Indian Companies Act 2013 "Company to accept unpaid share capital, although not called up"
(1) A company may, if so authorised by its articles, accept from any member, the whole or a part of the amount remaining unpaid on any shares held by him, even if no part of that amount has been called up.
(2) A member of the company limited by shares shall not be entitled to any voting rights in respect of the amount paid by him under sub-section (1) until that amount has been called up.
SHARE CAPITAL AND DEBENTURES