During the Home Secretary-level talks held in New Delhi in March, India had agreed to host Pakistan's judicial commission to take statements of Additional Chief Metropolitan Magistrate R V Sawant Waghule, Investigating Officer Ramesh Mahale and the doctor who carried out the post-mortem of the terrorists.
Islamabad has been maintaining that it is necessary to send the commission to India as part of the judicial process of the 26/11 case in Pakistan and promised at the Home Secretary-level talks that they would do so by May 15.
"More than a month after the agreed date, Pakistan has not been able to convey to us when they are sending the commission to India," an official said.
The government has already conveyed to the Bombay High Court that Sawant and Waghule should be available for questioning by the Pakistani commission.
The commission wants to interview the Indian officials in connection with the trial of seven Pakistani suspects, currently in a jail in that country, in the 26/11 Mumbai attacks case.