Chapter 1 · Arjuna's Despair · Sanjaya said
Bhagavad Gita 1.16 — Names of the conches
अनन्तविजयं राजा कुन्तीपुत्रो युधिष्ठिरः। नकुलः सहदेवश्च सुघोषमणिपुष्पकौ ॥
anantavijayaṃ rājā kuntīputro yudhiṣṭhiraḥ | nakulaḥ sahadevaśca sughoṣamaṇipuṣpakau ||
Meaning
King Yudhishthira, son of Kunti, blew the Anantavijaya; Nakula and Sahadeva blew the Sughosha and the Manipushpaka.