What is a opposite of Mr.Nair?

It's impossible to determine the opposite of "Mr. Nair" without more context.

* Is "Mr. Nair" a person's name? If so, there's no meaningful opposite.

* Is "Mr. Nair" a title or position? For example, "Mr. Nair, the CEO" - in this case, you could think of opposites like "Ms. Nair, the employee," or "Mr. Smith, the competitor."

Please provide more context, and I can help you find a meaningful opposite.