The correct option is A Doctrine of indoor management
The Doctrine of Indoor Management lays down that persons dealing with a company having satisfied themselves that the proposed transaction is not in its nature inconsistent with the memorandum and articles, are not bound to inquire the regularity of any internal proceeding. In other words, while persons contracting with a company are presumed to know the provisions of the contents of the memorandum and articles, they are entitled to assume that the provisions of the articles, they are entitled to assume that the officers of the company have observed the provisions of the articles.