जनस्थाने at Janasthana, वसद्भि: while dwelling, भवद्भि: by you all, किं what, करोति इति he does, रामम् Rama, आश्रिता pertaining to, प्रवृत्ति: activities, तत्त्वतः exactly, उपनेतव्या get the information.
While dwelling at Janasthana, all of you should collect exact information about the activities of Rama.