Here's everything you need to know about the Tata-Mistry tussle

Following is the chronology of developments in the Tata-Mistry case in which the Supreme Court on Friday set aside the NCLAT order restoring Cyrus Mistry as executive chairman of Tata Group:

October 24, 2016: Cyrus Mistry ousted as Tata Sons chairman, Ratan Tata named as an interim Chairman of the group.

December 20: Two Mistry family-backed investment firms, Cyrus Investments Pvt Ltd and Sterling Investments Corporation Pvt Ltd, move NCLT Mumbai, alleging oppression of minority shareholders and mismanagement by Tata Sons. They also challenge Mistry's removal.

Also Read | Tata-Mistry case: What Ratan Tata said after SC verdict

January 12, 2017: Tata Sons names N Chandrashekaran as Chairman, the then TCS Chief Executive Officer and Managing Director.

February 6: Mistry removed as a director on the board of Tata Sons, holding company of Tata group firms.

March 6: NCLT Mumbai sets aside plea of the two investment firms of Mistry family over maintainability issue, citing they didn't meet the criteria of 10 per cent ownership in a company for the filing of a case of alleged oppression of minority shareholders under the Companies Act.

The Mistry family owns 18.4 per cent stake in the closely-held Tata Sons but the holding is less than 3 per cent if preferential shares are excluded.

April 17: NCLT Mumbai also rejects plea by the two investment firms seeking waiver in the criteria of having at least 10 per cent ownership in a company for filing case of alleged oppression of minority shareholders.

April 27: Investment firms move NCLAT, challenging NCLT order which rejected their petitions over maintainability. They also challenged rejection of their waiver plea.

September 21: NCLAT allows pleas by the two investment firms seeking waiver in filing case of oppression and mismanagement against Tata Sons. It, however, dismissed Mistry's other petition on maintainability saying the firms do not have more than 10 per cent in Tata Sons.

The appellate tribunal directs the Mumbai-bench of the NCLT to issue notice and proceed in the matter.

October 5: Two investment firms approach the principal bench of NCLT at Delhi, seeking transfer of the matter from Mumbai to Delhi citing likelihood of bias. The principal bench reserves order on the plea of the two investment firms.

October 6: Principal bench of NCLT dismisses the pleas and imposed a cost of Rs 10 lakh on the two investment firms, which was to be shared by both.

July 9, 2018: NCLT Mumbai dismisses pleas of Mistry challenging his removal as Tata Sons chairman as also the allegations of rampant misconduct on part of Ratan Tata and the company's Board. NCLT said it found no merit in his allegations of mismanagement in Tata group firms.

Also Read | SC rules in favour Tatas in corporate battle with Cyrus Mistry

August 3: Two investment firms approach NCLAT against the order of the NCLT dismissing his plea challenging his removal as chairman of the company.

August 29: NCLAT admits petition filed by Cyrus Mistry in his personal capacity and decided to hear along with the main petitions filed by the two investment firms.

May 23, 2019: NCLAT reserves its order after completing the hearing in the matter.

December 18: NCLAT restores Mistry as executive chairman of Tata Sons, but suspended its implementation for four weeks in order to provide time for Tatas to appeal.

January 2, 2020: Tata Sons, challenges NCLAT decision of December 18, 2019 before Supreme Court.

January 10: Supreme Court stays NCLAT decision.

September 22: Supreme Court restrains Shapoorji Pallonji Group from pledging its share in Tata Sons.

December 8: Final hearing in the dispute commences.

December 17: SC reserves verdict in the dispute.

March 26, 2021: SC delivers its verdict, allows Tata Group's appeals and sets aside NCLAT order restoring Mistry as executive chairman of the Group.