In September, the markets regulator had asked the bourses to comply with these regulations within three months -- a deadline which is ending this month.
This mechanism is not applicable for stock brokers who are carrying out only proprietary trading or only trading for institutional clients.
"Based on the alerts generated, stock exchanges shall, inter-alia, seek clarifications, carry out inspections and initiate appropriate actions to protect the clients' funds from being misused. Stock exchanges shall also maintain records of such clarifications sought and details of such inspections," Sebi said in a circular.
Sebi said that new rules made in the existing system of internal audit for stock brokers and depository participants in terms of "formulation of objective sample criteria" will become effective" from April 1.
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Under the rules, "stock exchanges shall, in consultation with each other, develop for each theme/area of the internal audit, a pre-defined objective sample criteria, which shall mention not only the sample size but also the method used for arriving at the sample size".
"For each theme/area of audit, internal audit report shall clearly specify the sample size verified, number of instances where adverse observations have been made as also the details of the adverse observations," it added.