Grant Thornton was asked to review ratings provided by various credit rating agencies (CRAs) to IL&FS group companies.
The board discussed about appointing a woman director, said CEO Ronojoy Dutta.
This circular shall be applicable with respect to financial results for quarter ending September 30, 2019 and after, Sebi said.
The regulator also proposed to further strengthen and clarify the role of audit committees of listed firms
The agency appointed T N Arun Kumar, currently executive director of ratings, as interim CEO.
In a circular, Sebi prescribed new format for disclosures to be made on quarterly basis, annual basis for whole financial year.
The scrip declined 4.17 per cent to Rs 1,300 on the BSE.
IGE Group has now issued three statements in less than a week seeking to clarify issues and reject allegations made by Gangwal.
InterGlobe Aviation has come under intense regulatory scanner and there are indications of multiple violations of Sebi norms.
On the BSE, the scrip declined 3.07 per cent to close the counter at Rs 1,354.85.