Dr Ghayasuddin's stance echoes the hard line taken by his predecessor Dr Kalim Siddiqui. Two weeks before his death last month Dr Siddiqui, 65, insisted that the fatwa imposed by the Ayatollah Khomeini in 1989 should remain in force.
Dr Ghayasuddin, 57, said: "The entire Muslim Parliament is together on this matter. There will be no joy for him. As far as the honour of the prophet of Islam is concerned, this is fundamental to our belief in God."