Supreme Court has commenced the final hearing on a petition by Zakia Ahsan Jafri's plea challenging the SIT report giving clean chit to the then Gujarat Chief Minister Narendra Modi and other high functionaries in the Gujarat riots of 2002.A Bench comprising Justices AM Khanwilkar, Dinesh Maheshwari and CT Ravikumar is hearing the matter.Senior Advocate Kapil Sibal arguing for the petitioner Zakia Jarfi, widow of Congress MLA Ehsan Jafri who was killed in the Gulberg Housing Society massacre during the 2002 Gujarat Riots, has approached the Supreme Court through a special leave petition challenging the SIT report which ruled out any "larger conspiracy" by high state functionaries in instigating the communal riots following the Godhra massacre.