Can you be charged in court for libel or slander if the info that had been passed on to someone is true..that is he actually said it but he denied saying it.?

Without knowing where you are and what the legislation for your location is it is quite difficult to answer.

The terms libel and slander are quite often misunderstood by the general public, and misused inter-changeably to mean the same thing. Actually, they are quite different acts.

Libel is false written communication done with the intent to defame.

Slander is false oral statements made with the intent to defame.

NOTE that the intent to injure or damage is the key issue in both offenses.

(in the US) Both are civil offenses therefore you could not be "charged" in court with a criminal offense. HOWEVER - you COULD be sued for monetary damages for committing these acts.

The defense to either charge is:

(1) That the information you printed, wrote, or stated actually is true,

OR . . .

(2) You are only repeating information that is already known by others (i.e.: in the public domain).

If you were to be sued, the burden would be on the Plaintiff to prove that the alleged defamatory information was false and that they had been 'injured' or suffered 'damage' of some type.

HOWEVER - as the Defendant, you would have a concomitant burden to either present convincing proof that the alleged defamation WAS in fact accurate and true, OR that you were simply repeating what was already known by others and already in the public domain.

The TRUTH of the information is the defense against retaliation for spreading it.
Without knowing where you are and what the legislation for your location is it is quite difficult to answer.

Certainly in most places you could be sued in civil court. It would be then necessary for you to prove that what was allegedly said was actually said.