The Securities and Exchange Board of India or SEBI today cautioned investors and general public against investing in illegal schemes of ponzi operators. Making public a list of 51 banned companies, it asked the investors not be lured by promises of high returns by such entities. The SEBI also asked investors to report unauthorized money pooling activities to the market regulator and state authorities including police immediately, along with appropriate details and documents. The list of entities banned includes names like Saradha Realty India, Rose Valley Real Estate and Constructions and Sai Prasad Properties.