*Jun 19: The appointment was challenged by advocate Prashant Patel who seeks their disqualification with President Pranab Mukherjee.
*Jun 24: Legislative Assembly passes the Delhi Member of Legislative Assembly (Removal of Disqualification) (Amendment Bill), 2015 excluding Parliamentary Secretaries from 'Office of Profit' with retrospective effect.
*Jun 13, 2016: President Mukherjee refuses to give his assent to the Bill.
*Jun 25: Centre returns 14 bills passed by Delhi government, including the Bill on Parliamentary secretaries.
*Jul 14-21: EC gives hearing to 21 AAP MLAs.
*Sep 8, 2016: The Delhi HC sets aside an order of the Kejriwal government appointing 21 of the party's MLAs as parliamentary secretaries.
*Sep 8: EC issues a show cause notice to 21 AAP MLAs.
*Jan 6, 2017: Jarnail Singh, AAP MLA from Rajouri Garden, resigns.
*Jun 24, : EC rejects pleas of AAP MLAs to drop 'Office of Profit' case.
*Aug : The 20 AAP MLAs move HC against the EC's June 24 order.
*Oct 9: EC issues notice to AAP MLAs, seeks explanation.
*Jan 19, 2018: EC recommends to President Ram Nath Kovind disqualification.
*Jan 20: President Kovind approves the EC's recommendation of disqualifying 20 AAP MLAs.
*Jan 24 : MLAs moves High Court seeking quashing of the decision.
*Feb 7: The HC fixes day-today hearing of MLAs' pleas.
* Feb 28: The HC reserves order on AAP MLAs' pleas.
*Mar 23: The HC quashes notification that had led to disqualification of 20 AAP MLAs.
(This story has not been edited by Business Standard staff and is auto-generated from a syndicated feed.)