The Special Investigation Team (SIT) on black money has suggested amechanism for proactive detection of shell companies and deterrent penal provisions against persons involved in setting them up. It also wanted those making donation and recieving it in cash to be prosecuted under the prevention of corruption act ( PCA), particularly in the context of private schools and colleges. In its third report, made public on Friday by the finance ministry, the SIT wanted the Serious Frauds investigation Office (SFIO) to use MCA 21 filings to detect black money and more teeth for the Directorate of Revenue Intelligence ( DRI) to investigate in special economic zones. Pointing out that schools and colleges are accepting large donations by cash, running in even more than ? 1 crore, SIT wanted them to be booked under PCA, deeming them to be public servant. The SIT recommended the SFIO, which comes under the ministry of corporate affairs (MCA), actively and regularly mine the ministry’s ( MCA21)