Shiva Purana
द्विषट्प्रकारं स गुरुं प्रणम्य भुवि दण्डवत् ॥ तदधीनो भवेन्नित्यं वेदान्तं सम्यगभ्यसेत् ॥ ६४॥
The disciple shall bow prostrate before the precr-tor on the ground twelve times. He shall remain subservient to him and practise the study of the Vedānta strenuously.
english translation
dviSaTprakAraM sa guruM praNamya bhuvi daNDavat ॥ tadadhIno bhavennityaM vedAntaM samyagabhyaset ॥ 64॥
hk transliteration by Sanscript