Shiva Purana
प्रवेश्य मंडले शिष्यमनुष्णीषं च देशिकः ॥ तर्पणाद्यं तु मंत्राणां कुर्यात्पूर्वावसानकम् ॥ ५ ॥
The preceptor shall make the disciple enter the Maṇḍala. He shall not wear the head-dress. The Tarpaṇa and other rites too shall be performed as before.
english translation
pravezya maMDale ziSyamanuSNISaM ca dezikaH ॥ tarpaNAdyaM tu maMtrANAM kuryAtpUrvAvasAnakam ॥ 5 ॥
hk transliteration by Sanscript