Reappointment of Managing Director in a private limited company

If in a Private Limited Company if an Managing Director is appointed at the time of incorporation and he is also the promoter of the company, will the reappointment of MD and its 5 years expiry norms applicable to private limited company?

A private limited company can appoint the managing director for 15- 20 years but provided there shall not be any restriction under the articles of association of the Company . section 196(2), 5 years appointment applies to public companies. A private limited company is exempt from this restriction unless it is a subsisiary of public company then in that case limit of 5 years wil apply or its articles of association voluntary adopt section 196.