Section 6(1)(c) in Companies (Share Capital and Debentures) Rules, 2014
(c)A company may replace all the existing certificates by new certificates upon sub-division or consolidation of shares or merger or demerger or any reconstitution without requiring old certificates to be surrendered subject to compliance with clause (a) of sub-rule (1) rule 5, sub-rule (2) of rule 5 and sub-rule (3) of rule 5.