Stamp duty exemption for corporatisation and demutualisation: SEBI approved scheme instruments not liable to duty under stamp law. A provision exempts schemes for corporatisation and demutualisation of recognised stock exchanges, and instruments executed for purposes connected to such schemes, from stamp duty and similar levies where the scheme is approved by the securities regulator under the applicable securities law; the terms corporatisation, demutualisation and scheme adopt the meanings from that securities law and the securities regulator is defined by the securities regulator statute.