दुर्मतिः evilminded, सः he, कृतार्थः fulfilled his objective, सीतायाः Sita's, परिमार्गणे in search of, कालम् time, परिसङ्ख्याय having failed, समयम् promise, कृत्वा made, नाव बुध्यते does not realise it.

'The evilminded Sugriva, having fulfilled his objective, does not realise that he has made a promise to me and has reached the time set for the search of Sita.