It also asked them to take steps to avoid self-trades in the capital market.
The alleged offence took place on the listing day of Bharatiya Global Infomedia (BGIL) on July 28, 2011.
A probe conducted by securities market regulator found that Marwadi had traded in the shares of BGIL on the first day of trade for its client, Chandarana, which resulted in creation of an artificial volume in the scrip of the company.
In addition, Sebi has asked Marwadi to review its own systems and take appropriate steps to avoid self-trades and other categories of trades which are prohibited under the regulatory norms.
The regulator has directed Chandarana to take steps to ensure its trades or trading strategy do not result in self-trades or other prohibited trades.
