The first step is for the director to submit a formal resignation letter to the board of directors, clearly stating the effective date of resignation. You will need to file an Amendment to Annual Report if you have already filed the 2020 Annual Report.The Amendment will remove your name as Director. Announce your intention to resign at the meeting. It is the responsibility of the company to file form DIR - 12 for resignation of the director. Your email would qualify. The new Companies Act has made the process of resignation more certain and unilateral providing easy exit options for directors. A director should submit a written resignation letter that notes the effective date of their departure. The board will then need to formally accept the resignation at a board meeting. Typically, the procedures for resigning from a director position are set forth in the bylaws of the organization.