Panels that looked into 1984

1984: Ved Marwah Committee: Inquired into the role of police during the riots

1985: Justice Ranganath Misra Commission: Inquired into allegations of organised violence against Sikhs

1987: Justice Dalip Kapoor Committee: Went into conduct of police officers during the riots

1987: Justice ML Jail-EN Renison Committee: Looked into charges against Congress leaders Sajjan Kumar and Jagdish Tytler and recommended that they should be proceeded against

1987: RK Ahuja Committee: It said the number of those killed was 2,733

1993: DK Jain Committee: Said police did not try many of the culprits and closed more than 300 of the 700 cases

1993: Justice RS Narula Committee: Recommended that Congress leaders Sajjan Kumar, HKL Bhagat and Jagdish Tytler be proceeded against

2000: Justice GT Nanavati Commission: It said systematic killings showed that these were organised killings; indicted police for inaction and recommended compensation for victims

2015: Pramod Asthana Committee: Expressed concern over closure of 199 cases and asked the Centre to place all cases before a panel of Justice KM Panchal and Justice KSP Radhakrishnan

2017: Justice KM Panchal and Justice KSP Radhakrishnan said 186 cases were closed without investigation

2018: Justice S Dhingra Committee: Appointed by the SC, it’s looking into the 186 cases wrongly closed by the police