The Delhi High Court on Sunday commenced hearing on Centre's plea challenging stay on the execution of four death row convicts in the Nirbhaya gangrape and murder case.
The proceedings are currently underway before Justice Suresh Kait.
Solicitor General Tushar Mehta is advancing arguments for the Centre.
"There is deliberate, calculated and well thought of design to frustrate mandate of law," Solicitor General Tushar Mehta told the High Court.
He added that "if trial court order stands, then Pawan can either file curative or mercy plea", and the others won't be hanged.
The Delhi High Court had earlier issued a notice to Tihar jail authorities and the Nirbhaya convicts and sought their response on a plea moved by the Centre challenging the stay on their execution.
On Saturday, the court heard the petition filed by the Central government and Tihar Jail authorities challenging the trial court's order which had stayed the execution of the four convicts in the Nirbhaya gang-rape and murder case.
"The four convicts by filing their respective review petition or curative petition or mercy petitions, one after the other and that too at such a belated stage, that is after the issuance of the death warrants, are in fact being permitted to play with the majesty of law leading to unnecessarily prolonging the execution and thereby taking the judicial process for a ride," the plea had said.
It said that the convicts have deliberately chosen to file their review, curative and mercy petitions beyond the statutory period available to them with the sole objective to delay the execution of the death warrant.
A Delhi court had on Friday stayed till further orders the execution of the four convicts -- Akshay Thakur, Mukesh Singh, Pawan Gupta, and Vinay Sharma -- which was earlier scheduled to take place on February 1.
The case pertains to the gang-rape and brutal murder of a 23-year-old paramedical student in a moving bus on the night of December 16, 2012, by six people, including a juvenile, in Delhi. The woman had died at a Singapore hospital a few days later.
One of the five adults accused, Ram Singh, had allegedly committed suicide in the Tihar Jail during the trial of the case.
(With inputs from agencies)