Ehsan Jafri, Zakia's husband and former Congress MP, was one of those who were slain during the riots across Gujarat after the Godhra incident.
Advocate Sanjay Parikh, Jafri's lawyer, made the allegation during the argument before Metropolitan Magistrate B J Ganatra.
The court is hearing Jafri's petition against closure report of Special Investigation Team which gave a clean chit to Modi and others in the face of the charge of complicity in the riots as levelled by Jafri in her complaint in 2008 before the Supreme Court.
"Real conspiracy began with this instruction to Patel. He (Modi) is the chief executor of the conspiracy," Parikh said, adding SIT failed to probe this aspect of the case.
Jafri's 'protest petition' demands rejection of SIT report and seeks further investigation by an independent agency. Her complaint accuses Modi of being involved in the conspiracy behind wide-spread violence and misuse of the state machinery during the riots.
