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.
Responding to the allegations, SEBI had sought a reply from InterGlobe by July 19.
After Gangwal wrote to the board seeking an extraordinary general meeting, Bhatia, on June 12, opposed the proposal.
InterGlobe told stock exchanges that its board of directors has received a letter from Gangwal.
Shares of InterGlobe Aviation closed marginally lower at Rs 1,565.75 on the BSE.
Equity exchange traded funds (ETFs) also saw a jump in inflows to Rs 5,382.70 crore.