An Executive director is a Chief Executive officer (CEO) or Managing director of an organization, company, or corporation, who is responsible for making decisions to complete the mission and for the success of the organization.

A Managing Director is one who is employed by the company and has substantial powers of management over the affairs of the company subject to superintendence, direction and control of the board.

'A Person who is appointed or elected member of the Board of Directors of a company and has the responsibility of determining and implementing policies along with others in the board. It is not necessary to, hold any shares in the company or be an employee. Directors act on the basis of resolutions made in the Board of Directors meeting according to their powers stated in the Articles of Association of the company''.

(i) In case of one person company, the requirement of directors is one.
(ii) In the case of other Private companies the minimum requirement of directors is two

Causal vacancy is a situation in which a seat in a delibrative assembly becomes vacant during that assembly's term, casual vacancies may arise through the death, resignation or disqualification of the sitting member or for other reason.

 (i) Alternate directors are appointed by the Board of Directors, as a substitute to a director who may be absent from India, for a period which is not less than three months.
(ii) The appointment must be authorised either by the Articles of Association of the company or by a passing a resolution in the General Meeting.
(iii) The alternative director is not a representative or agent of Original Director.

A director of a company can be removed from his office before the expiry of his term by
(i) the Shareholders
(ii) the Central Government
(iii) the Company Law Board
(i) Removal by shareholders 169
A company (whether public or private) may, by giving a special notice and passing an ordinary resolution, remove a director before the expiry of his period of office without the proof of mismanagement, breach of trust, misfeasance or other misconduct on the part of the director.
(ii) Removal by the Central Government:
The Central Government has been empowered to remove managerial personnel from office on the recommendation of the Company Law Board
(i) Where a person concerned in the conduct and management of the affairs of a company has been guilty of fraud, misfeasance.
(ii) Where the business of a company has not been conducted and managed by such a person, in accordance with sound business principles or prudent commercial practices;
(iii) Where the business of a company has been conducted and managed by such a person in a manner which is likely to cause injury or damage to the interest of the trade, industry or business.
(iv) Where the business of the company has been conducted and managed by such a person with the intent to defraud its creditors, members or any other persons.
(iii) Removal by the Company Law Board:
If an application has been made to the Company Law Board against the oppression and mismanagement of the company's affairs by a director, then the Company Law Board may order for the termination of the director's tenure.

A person shall not be capable of being appointed director of a company, if the director is
(a) Of unsound mind.
(b) An undercharged insolvent.
(c) Has been convicted by a court for any offence involving moral turpitude and sentenced in respect there of to imprisonment for not less than six months.
(d) Has not paid any call in respect of shares of the company held by him, whether alone or jointly with others.
(e) An order disqualifying him for appointment as director has been passed by a court in pursuance of section 203.
(f) He has been convicted of the offence dealing with related party transactions under section 188.
(g) He has not got the Director Identification Number.