As Per section 152 of companies act 2013,unless article provide for retirement of all director, atleast 2/3rd of total number ofdirector of public company shall be persons whose period of office is liable to determination by retirement of directors by rotation. The total number of director excludes Independent Director.
This Section is not compulsorily applicable for Private company. The director to retire at AGM shall be those who have been longest in office from date of thier last appointment.