If they don't pitch, Parliament will then issue a warrant of arrest, says chair of Parliament's Eskom inquiry Zukiswa Rantho.
The Guptas have lodged an application for leave to appeal a ruling that ordered them to return a luxury aircraft that they were leasing.
The Times of India reported that at least 31 properties belonging to the Guptas were attached in a four-day raid involving the towns of Delhi, Saharanpur, Dehradun, Haridwar and Noida.
"He took a helicopter from his own helipad in Dehradun to fly to the local airport, then took a flight and nobody knows where he went."
A new book blows the lid on Atul Gupta’s empire of fear at ANN7.
This follows his application to have a preservation order, obtained against him by the NPA's Asset Forfeiture Unit (AFU), set aside.
The Hawks have reportedly kept it a secret that arrest warrants are out for all three Gupta brothers.
Meanwhile, the Guptas have launched a court bid to stop the Bank of Baroda from leaving SA.
The Hawks' AFU says it can prove that Atul benefited from the Estina project to the tune of R10-million.
Up to R1-million.