¹[4A. Corporatisation and demutualisation of stock exchanges.—On and from the appointed date, all recognised stock exchanges (if not corporatised and demutualised before the appointed date) shall be corporatised and demutualised in accordance with the provisions contained in section 4B:
Provided that the Securities and Exchange Board of India may, if it is satisfied that any recognised stock exchange was prevented by sufficient cause from being corporatised and demutualised on or after the appointed date, specify another appointed date in respect of that recognised stock exchange and such recognised stock exchange may continue as such before such appointed date.
Explanation.—For the purposes of this section, "appointed date " means the date which the Securities and Exchange Board of India may, by notification in the Official Gazette, appoint and different appointed dates may be appointed for different recognised stock exchanges.]

1. Ins. by Act 1 of 2005, s. 3 (w.e.f. 12-10-2004).