happened to be the wife of his cousin, and that too, not while she was alone, but in the presence of her husband. Even if he was mad with lust, he would not have chosen to come at this particular time, namely, 9 p.m. for making advances to the deceased, when he must have known that her husband Natesan would in all probability be at home. In any event, when Natesan came into the house, the appellant would have run away and not continued to insist that the deceased should submit to sexual intercourse with him. The entire story appears to be highly improbable and inconsistent with the ordinary course of human nature. Then again, look at the conduct of Natesan on seeing this highly explosive situation. He finds that the appellant is demanding sexual intercourse with his wife and is threatening her with a knife in his hand. And yet, he does not step out of the house and shout for help. He does not even try to go to the rescue of the deceased. He silently and shamefacedly watches his wife being murdered by the appellant. He is not alone in the house. Manisekaran has come in the meantime, with the result that there are two persons on his side and yet, both of them quietly watch the proceedings without making any attempt to save the deceased. This conduct is highly unnatural and we find it difficult to accept it.