 अथ तस्य च शब्देन गीतेनाप्रतिमेन च।दर्शनेन च रम्भाया मुनिस्सन्देहमागत:।। 
 On hearing the sound of the incomparable song of the cuckoo along with the  sight of Rambha, a doubt arose in the mind of the ascetic. 