Cognizable offences only on complaint: SFIO officer authorized to file and conduct prosecutions under the Companies Act. Offences under the Companies Act are cognizable only on complaint by the Registrar, a shareholder, or the Government, and the Central Government authorizes an officer of the Serious Fraud Investigation Office (SFIO) to file and conduct prosecutions under the Act; the officer named is Smt. Sunita V. Langstieh, Senior Assistant Director.