Propositions under Evidence Act are: I. In civil cases, character evidence is inadmissible unless the character of a party is a fact in issue. II. In criminal cases, the evidence of good character is admissible generally. III. In criminal proceedings, evidence of bad character is inadmissible unless the same is a fact in issue. IV. In criminal proceedings evidence of bad character is admissible when evidence of good character has been given. In relation to the above propositions which of the following is correct statement: