A day before 26/11 Mumbai terror attacks convict David Coleman Headley is expected to depose in Mumbai court, he has reportedly confessed that 2008 Mumbai terror attacks were masterminded by Pakistan's terror group Lashkar-e-Taiba (LeT) and also had approval of Pakistan's Inter-Service Intelligence (ISI).

According to an exclusive report accessed by CNN-IBN, during an interrogation with NIA, Headley reportedly confessed the attacks in Mumbai were carried out by Lashkar-e-Taiba (LeT) on the approval of Hafiz Saeed and with the assitance of ISI.

He further confessed he was provided financial support by ISI for recce of Mumbai. Besides, he also recced Vice-President's residence, India Gate and CBI office in New Delhi before the 2008 terror attacks were executed.

David Headley to depose before special Mumbai court on Monday

David Coleman Headley would depose before a special Mumbai court on Monday and reveal the sequence of events and planning behind the 26/11 terror attacks, said senior Public Prosecutor Ujjwal Nikam.

"It is for the first time in the Indian legal history, one foreign terrorist would give his evidence through video link and his evidence will be recorded. And I feel his evidence is most useful because that may unfold many things behind the terror attack of 26 November," he told.

Headley is currently serving 35 years in an American prison after being convicted of being involved in the planning and execution of the 26/11 Mumbai terror attacks in 2008, in which 166 persons were killed and 300 injured..

While nine terrorists were killed during the response operations, a lone gunman Ajmal Kasab was tried and hanged on November 21, 2012 at Pune's Yerawada jail.