Special CBI judge O P Saini issued notice to the CBI seeking their response on the pleas field by the Maran brothers on August 3.
During the hearing, the CBI also filed their response on the bail pleas filed by the Maran brothers which will be heard on August 3.
The court also issued fresh summons to the four other accused, Malaysian business tycoon T Ananda Krishnan, Augustus Ralph Marshall and two accused firms after the CBI said that the summons issued against them have not been served yet.
"We are helpless. We need time. This will be done through diplomatic channel," the prosecutor said.
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The court after hearing the submissions posted the matter for August 3 for hearing arguments on the bail pleas of the Maran brothers, their plea challenging the jurisdiction of the court to try the case and the process of serving the summons to Malaysia-based accused.
Maran brothers and authorised representatives of the accused firm Sun Direct TV Pvt Ltd were present in the court during the hearing.