The Supreme Court will be next hearing the Nirbhaya gangrape case on February 16, after convicts, Vinay and Pawan on Monday sought more time to file their responses before the court.
The apex court in May upheld the order of the Delhi High Court, which had sentenced the four convicts - Akshay, Pawan, Vinay Sharma, and Mukesh - to death.
On December 16, 2012, six people gang-raped a 23-year-old physiotherapy intern in a moving bus in Delhi.
The woman succumbed to her injuries in a Singapore hospital on December 29, 2012.
One of the accused, Ram Singh, committed suicide by hanging himself in the prison, while another accused is serving the maximum sentence of three years in a juvenile home.