The term "EXPERT" should be prefixed by "AN" and not by "A"...It is "an expert" and not "a expert".See the last line of your comment. It is a gramatical mistake from your side. Leave it.
See section 2(35) and 2(37) of the companies act 1956. If you know how to read.
Regarding Section 4(7) i have no comments. Bcz it has no relation to your query. First learn how to ask a query.