The Justice G.T. Nanavati commission was a one-man commission headed by Justice G.T. Nanavati, a retired Judge of the Supreme Court of India, appointed by the National Democratic Alliance (NDA) government in May 2000, to investigate the " killing of innocent sikhs" during the 1984 anti-Sikh riots. The commission was mandated to submit its report within six months, but it took five years. The report in two volumes was completed in February 2005.
Terms of Reference of the Commission were: "(a) to inquire into the causes and course of the Criminal Violence and Riot targetting members of the Sikh community which took place in the 8 National Capital Territory of Delhi and other parts of the country on 31st October, 1984 and thereafter; (b) the sequence of the events leading to and all the facts relating to such violence and riots; (c) whether these heinous crimes could have been averted and whether there were any lapses or dereliction of duty in this regard on the part of any of the responsible authorities / individuals; (d) to inquire into the adequacy of the administrative measures taken to prevent and to deal with the said violence and riots; (e) to recommend measures which may be adopted to meet the ends of the justice; (f) to consider such matters as may be found relevant in the course of the inquiry."
The commission report details accusations and evidence against senior members of the Delhi wing of the then ruling Congress Party, including Jagdish Tytler, later a Cabinet Minister, MP Sajjan Kumar and late minister H.K.L. Bhagat. They were accused of instigating mobs to avenge the assassination of Indira Gandhi by killing Sikhs in their constituencies. The report also held the then Lt. Governor PG Gavai for failure in his duty and late orders for controlling of the riots.