If you have planned to file a defamation case against the director, you may have to gather the concrete evidence to prove that the director has actually defamed you.
Defamation is a Civil as well as a criminal offence. Under Criminal Law, Indian Penal Code, defines defamation as -"Whoever, by words either spoken or intended to be read, or by signs or by visible representations, makes or publishes any imputation concerning any person intending to harm, or knowing or having reason to believe that such imputation will harm, the reputation of such person,
Under Criminal Law three essentials are to be proved to establish wrong of :
1. There should be existence / publication of an imputation made by a person.
2. Such imputation may be words spoken or written signs, or visible representation.
3. It should be made to injure or having knowledge to believe that it will injure reputation of a person.
Civil Law about Defamation is still governed by English Common Law rules, according to which 4 essentials are to be proved -
1. The statement be defamatory.
2. Reference of it to the plaintiff.
3. Publication of it by defendant.
4. Statement must be substantially untrue.
Thus after ascertaining your position you may proceed with your proposal to file a defamation suit or complaint.