Going with subdued soul to the Tirtha, called Surya and bathing in it. And worshipping the Pitris and the celestials with fasting, one obtains the fruits of Agnishtoma and goes to he region of Surya.
सूर्यतीर्थं समासाद्य स्नात्वा नियमानसः॥ अर्चयित्वा पितॄन् देवानुपवासपरायणः। अग्निष्टोममवाप्नोति सूर्यलोकं च गच्छति॥