Shiva Purana
अथ सायन्तनीं सन्ध्यामुपास्य स्नानपूर्वकम् ॥ सायमौपासनं हुत्वा मौनी विज्ञापयेद्गुरुम् ॥ ८ ॥
He shall perform the evening prayers after bath and the sacrificial rites and inform his preceptor accordingly.
english translation
atha sAyantanIM sandhyAmupAsya snAnapUrvakam ॥ sAyamaupAsanaM hutvA maunI vijJApayedgurum ॥ 8 ॥
hk transliteration by Sanscript