After Maharashtra government gave permission to bring the two face to face, the Crime Branch of Mumbai police took Jundal to the high-security jail, where Kasab is lodged in a bomb-proof egg-shaped cell since 2008, this evening.
The two were interrogated together for at least one and half hours and during the interface', Kasab, the lone surviving Pakistani terrorist of the 26/11, said Jundal was one of the main conspirators, police sources said.
Police had decided to confront the two after Jundal, one of the handlers of the perpetrators of the Mumbai terror attack, made some revelations during interrogation about training imparted to terrorists in Pakistan.
He had allegedly told the police that he had taught Hindi to the 26/11 attackers.
Jundal was allegedly in contact with two terrorists during the siege of Chabad House, a Jewish outreach centre, during the Mumbai attack of November 26, 2008.
Jundal had also said that he had met LeT operative David Headley, a co-accused in the 26/11 attack case.
Syed Zabiuddin Ansari, alias Abu Jundal, 31, a native of Beed district of Maharashtra, was arrested in the 26/11 case on July 21 this year by Mumbai Police after he was brought here from Delhi where he had been apprehended in another case after being deported from Saudi Arabia in June this year.