Besides, the Securities and Exchange Board of India (Sebi) has barred the firms and its directors from the capital markets for four years.
A Sebi probe found that the companies had mobilised funds by illegally issuing redeemable preference shares (RPS) without complying to the prescribed norms.
Dynamic Asset Management had raised about Rs 4.42 crore through issuance of RPS to 634 allottees during 2011-13.
Similarly, Real Agri Industries and Services had mobilised funds to the tune of Rs 90 lakh through issuance of RPS between 2009 and 2012 to more than 800 investors.
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In two separate orders, the regulator has directed the companies and their directors to refund money along with 15 per cent annual interest.
The directions would come into force with immediate effect.
The firms and their directors have been prohibited from buying, selling or otherwise dealing in the securities markets for four years and the restriction will continue till the completion of refunds to investors.
Besides, it would also make a reference to the Ministry of Corporate Affairs to initiate appropriate action against the companies as deemed fit.