 येन वैश्रवणो राजा द्वैमात्रः कारणान्तरे।द्वन्द्वमासादितः क्रोधाद्रणे विक्रम्य निर्जितः।। 
 For some reason or other a duel took place between me and king Kubera. With my prowess, I defeated him in the duel.  