The regulator's directive came after the corporate affairs ministry shared a list of 331 listed companies that are suspected to be shell entities and could even face "compulsory delisting".
Stepping up the surveillance measures, these entities would be subject to independent audit and if required, forensic audits could also be initiated to check their credentials.
In a communication sent to the BSE, the NSE and the Metropolitan Stock Exchange, the markets regulator has asked them to keep the 331 shares in stage four of the Graded Surveillance Mechanism (GSM) with immediate effect.
Since these shares would be moved to stage four from tomorrow, these securities would not be available for trading this month.
"Trading in these securities shall be permitted once a month (first Monday of the month)," the communication said.
Further, any upward price movement would not be permitted beyond the last traded price while additional surveillance deposit of 200 per cent of trade value would be collected from the buyers. This amount would be retained by the exchanges for five months.
Apart from initiating a "process of verifying the credentials/ fundamentals of such companies", the exchanges have also been asked to appoint an independent auditor to carry out audit of these entities. If necessary, even forensic audit could be ordered to verify their credentials and fundamentals.
Besides, these entities would not be permitted to deal in any security on exchange platform and its holding in any depository account would be frozen till such delisting process is completed.
"The shares held by the promoters and directors in such listed companies shall be allowed to be transferred by depositories only upon verification by concerned exchanges," the communication said.
They would not be allowed to transact in the security except to buy shares in the particular listed company until verification of credential is completed.
As part of efforts to curb the black money menace, the corporate affairs ministry has already cancelled the registration of more than 1.62 lakh companies that have not been carrying out business activities for long.
The ministry is implementing the Companies Act and firms are required to be registered under this law.
While the term 'shell company' is not defined under the Companies Act, Corporate Affairs Minister Arun Jaitley, last month, told the Lok Sabha that many such entities have been found to be indulging in large scale tax violations.
Disclaimer: No Business Standard Journalist was involved in creation of this content
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