while calculating the thresehold limit of a person to directorship following shall be excluded,
1.a private company which is neither a subsidiary nor a holding company of a public company
2.an unlimited company
3. an association not carrying on business for profit or which prohibits the payment of a dividend
4. a company in which such person is only an alternate director, that is to say, a director who is only qualified to act as such during the absence or incapacity of some other director
so u concider only the public limited company while calculating the thresehold limit of 15.
thanks