Additional sessions judge N G Dave is likely to deliver the order on May 26.
During the argument today, Gupta's lawyer contended that the Metro rail project was being monitored by the state government continuously.
"The project was not headed by only one person; it was continuously monitored by the state government. It was continuously monitored by the then chief secretary and the concerned minister," said advocate I H Syed, Gupta's lawyer.
Public prosecutor Sudheer Brahmbhatt argued that the investigation was going on and therefore the accused should not be granted bail.
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CID arrested Gupta on May 14, alleging financial irregularities during his tenure in MEGA in 2012.
Gupta quit IAS in 2003 to start his own business. He owns Neesa Group which runs hotels. He was appointed Executive Chairman of Metro project in 2011 and resigned in August 2013.
CID alleges that Gupta and seven of his subordinates presented forged bills and bogus documents related to Metro work. He allegedly floated several bogus firms by appointing Neesa Group employees as directors and showed these firms as material suppliers.