To help it bring to book fraudsters and other market manipulators, Sebi was also conferred with greater powers.
The market regulator has lined up numerous regulations to ensure effective execution of these powers along with safeguards against any possible misuse.
Summing up the year gone by, Sebi Chairman U K Sinha told PTI that the regulator was also able to provide clarity and a direction to the market in areas like corporate governance and investor protection during 2013.
This initiative followed Sebi coming across a number of instances where interest of ordinary shareholder was being compromised besides instances of illegal related party transactions.
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As a result, Sebi has made it mandatory for all major schemes of arrangement involving listed companies to get "approval of the majority of minority shareholders".
As Sinha says, all culprits -- whether big or small -- are same before the regulator and it was their crime that decide the penalties.
The regulator, on its part, took actions against all sorts of entities -- from Saharas, Saradha, Alchemist and Osian's to hitherto unknown individuals taking investors for a ride through their illicit schemes.
To ensure minimum public shareholding in listed companies, as many as 105 firms, including big names like Tata Tele, Adani Ports, Essar Ports, Omaxe and Gillette India, faced Sebi's ire.
For listed companies, Sinha said, Sebi is taking actions to ensure regular disclosure about key developments.
"Although listing agreement provides for a number of things, but our information was that a big number of companies were not complying with it," Sinha said.