The promoters and directors of non-compliant companies have also been barred from dealings in the market and holding new positions on the boards of listed entities till the time those companies comply with the minimum public shareholding requirements.
In a 13-page late night order, Sebi also warned of further actions including levy of monetary penalties, initiation of criminal proceedings, restricting the trading activities of related stocks and other possible directions.
These included 72 companies whose shares are actively traded on the stock market, while the shares of 33 other companies are currently suspended for various reasons.
The companies whose promoters and directors would face the prohibitory orders, which have come into immediate effect, include Adani Ports, BGR Energy Systems, Essar Ports, Omaxe, Plethico Pharmaceuticals and Tata Teleservices.